diff --git a/packages/sample-server/src/controllers/CheckForOffers.ts b/packages/sample-server/src/controllers/CheckForOffers.ts
index 9a46998..40dfd9b 100644
--- a/packages/sample-server/src/controllers/CheckForOffers.ts
+++ b/packages/sample-server/src/controllers/CheckForOffers.ts
@@ -15,11 +15,6 @@ export async function checkForOffers(req, reply) {
         );
         reply.send(offers);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to check offers",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/FinalizeOffers.ts b/packages/sample-server/src/controllers/FinalizeOffers.ts
index 90cfb37..b6c0c2a 100644
--- a/packages/sample-server/src/controllers/FinalizeOffers.ts
+++ b/packages/sample-server/src/controllers/FinalizeOffers.ts
@@ -15,11 +15,6 @@ export async function finalizeOffers(req, reply) {
         );
         reply.send(jwtVerifiableCredentials);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to finalize offers",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GenerateDidJwk.ts b/packages/sample-server/src/controllers/GenerateDidJwk.ts
index c0df042..7047d38 100644
--- a/packages/sample-server/src/controllers/GenerateDidJwk.ts
+++ b/packages/sample-server/src/controllers/GenerateDidJwk.ts
@@ -11,11 +11,6 @@ export async function generateDidJwk(req, reply) {
         const didJwk = await req.vclSdk.generateDidJwk(didJwkDescriptorFromJson(req.body));
         reply.send(didJwk);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to generate did jwk",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GenerateOffers.ts b/packages/sample-server/src/controllers/GenerateOffers.ts
index 7d1d358..155b11d 100644
--- a/packages/sample-server/src/controllers/GenerateOffers.ts
+++ b/packages/sample-server/src/controllers/GenerateOffers.ts
@@ -13,11 +13,6 @@ export async function generateOffers(req, reply) {
         );
         reply.send(offers);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to generate offers",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GenerateSignedJwt.ts b/packages/sample-server/src/controllers/GenerateSignedJwt.ts
index 573170b..087ca2a 100644
--- a/packages/sample-server/src/controllers/GenerateSignedJwt.ts
+++ b/packages/sample-server/src/controllers/GenerateSignedJwt.ts
@@ -16,11 +16,6 @@ export async function generateSignedJwt(req, reply) {
         );
         reply.send(jwt);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to verify jwt",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GetCountries.ts b/packages/sample-server/src/controllers/GetCountries.ts
index 92d60ed..f60ec05 100644
--- a/packages/sample-server/src/controllers/GetCountries.ts
+++ b/packages/sample-server/src/controllers/GetCountries.ts
@@ -9,11 +9,6 @@ export async function getCountries(req, reply) {
     try {
         reply.send(req.vclSdk.countries);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to get countries",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GetCredentialManifest.ts b/packages/sample-server/src/controllers/GetCredentialManifest.ts
index 1069304..eaa8da7 100644
--- a/packages/sample-server/src/controllers/GetCredentialManifest.ts
+++ b/packages/sample-server/src/controllers/GetCredentialManifest.ts
@@ -16,11 +16,6 @@ export async function getCredentialManifest(req, reply) {
         );
         reply.send(credentialManifest);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to search for organizations",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GetCredentialTypeSchemas.ts b/packages/sample-server/src/controllers/GetCredentialTypeSchemas.ts
index 76a510b..ada3043 100644
--- a/packages/sample-server/src/controllers/GetCredentialTypeSchemas.ts
+++ b/packages/sample-server/src/controllers/GetCredentialTypeSchemas.ts
@@ -9,11 +9,6 @@ export async function getCredentialTypeSchemas(req, reply) {
     try {
         reply.send(req.vclSdk.credentialTypeSchemas);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to get credential type schemas",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GetCredentialTypes.ts b/packages/sample-server/src/controllers/GetCredentialTypes.ts
index 375e68d..1aea9b9 100644
--- a/packages/sample-server/src/controllers/GetCredentialTypes.ts
+++ b/packages/sample-server/src/controllers/GetCredentialTypes.ts
@@ -9,11 +9,6 @@ export async function getCredentialTypes(req, reply) {
     try {
         reply.send(req.vclSdk.credentialTypes);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to get credential types",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GetCredentialTypesUIFormSchema.ts b/packages/sample-server/src/controllers/GetCredentialTypesUIFormSchema.ts
index b9cb771..28c4e8d 100644
--- a/packages/sample-server/src/controllers/GetCredentialTypesUIFormSchema.ts
+++ b/packages/sample-server/src/controllers/GetCredentialTypesUIFormSchema.ts
@@ -14,11 +14,6 @@ export async function getCredentialTypesUIFormSchema(req, reply) {
         );
         reply.send(credentialTypesUIFormSchema);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to get credential types UI form schema",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GetExchangeProgress.ts b/packages/sample-server/src/controllers/GetExchangeProgress.ts
index d93ff79..0378cde 100644
--- a/packages/sample-server/src/controllers/GetExchangeProgress.ts
+++ b/packages/sample-server/src/controllers/GetExchangeProgress.ts
@@ -19,11 +19,6 @@ export async function getExchangeProgress (req, reply) {
         const exchangeProgress = await req.vclSdk.getExchangeProgress(exchangeProgressDescriptor);
         reply.send(exchangeProgress);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to get exchange progress",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GetPresentationRequest.ts b/packages/sample-server/src/controllers/GetPresentationRequest.ts
index e41b887..c9976ed 100644
--- a/packages/sample-server/src/controllers/GetPresentationRequest.ts
+++ b/packages/sample-server/src/controllers/GetPresentationRequest.ts
@@ -14,11 +14,6 @@ export async function getPresentationRequest(req, reply) {
         );
         reply.send(presentationRequest);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to get exchange progress",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/GetVerifiedProfile.ts b/packages/sample-server/src/controllers/GetVerifiedProfile.ts
index abb6606..31a344f 100644
--- a/packages/sample-server/src/controllers/GetVerifiedProfile.ts
+++ b/packages/sample-server/src/controllers/GetVerifiedProfile.ts
@@ -14,11 +14,6 @@ export async function getVerifiedProfile(req, reply) {
         );
         reply.send(verifiedProfile);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to get credential types UI form schema",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/SearchForOrganizations.ts b/packages/sample-server/src/controllers/SearchForOrganizations.ts
index 65031c5..2b41601 100644
--- a/packages/sample-server/src/controllers/SearchForOrganizations.ts
+++ b/packages/sample-server/src/controllers/SearchForOrganizations.ts
@@ -14,11 +14,6 @@ export async function searchForOrganizations(req, reply) {
         );
         reply.send(organizations);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to search for organizations",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/SubmitPresentation.ts b/packages/sample-server/src/controllers/SubmitPresentation.ts
index 20c176f..2243f12 100644
--- a/packages/sample-server/src/controllers/SubmitPresentation.ts
+++ b/packages/sample-server/src/controllers/SubmitPresentation.ts
@@ -12,11 +12,6 @@ export async function submitPresentation(req, reply) {
         const submissionResult = await req.vclSdk.submitPresentation(presentationSubmissionFromJson(req.body));
         reply.send(submissionResult);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to get exchange progress",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/src/controllers/VerifyJwt.ts b/packages/sample-server/src/controllers/VerifyJwt.ts
index ee33708..3639e53 100644
--- a/packages/sample-server/src/controllers/VerifyJwt.ts
+++ b/packages/sample-server/src/controllers/VerifyJwt.ts
@@ -16,11 +16,6 @@ export async function verifyJwt(req, reply) {
         );
         reply.send(isVerified);
     } catch (e: any) {
-        reply.code(500).send({
-            statusCode: e.statusCode ?? "500",
-            error: "Failed to verify jwt",
-            message: e.stack ?? e.message ?? JSON.stringify(e),
-            errorCode: e.errorCode,
-        });
+        reply.code(e.statusCode ?? 500).send(e)
     }
 }
\ No newline at end of file
diff --git a/packages/sample-server/test/ImportTest.test.ts b/packages/sample-server/test/ImportTest.test.ts
index c7b3eea..a5bfef4 100644
--- a/packages/sample-server/test/ImportTest.test.ts
+++ b/packages/sample-server/test/ImportTest.test.ts
@@ -1,9 +1,9 @@
-import { VCLEnvironment } from "@velocitycareerlabs/vnf-nodejs-wallet-sdk";
+import { VCLEnvironment } from "@velocitycareerlabs/vnf-nodejs-wallet-sdk/src";
 
 describe("Imports Test", () => {
 
     test("testEnvironment", async () => {
 
-        expect(VCLEnvironment.DEV).toBeDefined();
+        expect(VCLEnvironment.Dev).toBeDefined();
     });
 });
diff --git a/packages/sample-server/test/initalization.test.ts b/packages/sample-server/test/initalization.test.ts
index 9efee4c..56bf725 100644
--- a/packages/sample-server/test/initalization.test.ts
+++ b/packages/sample-server/test/initalization.test.ts
@@ -1,13 +1,15 @@
-"use strict";
-import { describe, expect, test, beforeAll, afterAll } from "@jest/globals";
+import { afterAll, beforeAll, describe, expect, test } from "@jest/globals";
 import app from "../src/App";
 import { FastifyInstance } from "fastify";
 
 import { VCLImpl } from "@velocitycareerlabs/vnf-nodejs-wallet-sdk/src/impl/VCLImpl";
-import VCLInitializationDescriptor from "packages/sdk/src/api/entities/initialization/VCLInitializationDescriptor";
+import {
+    VCLCryptoServicesDescriptor,
+    VCLInitializationDescriptor,
+    VCLXVnfProtocolVersion
+} from "@velocitycareerlabs/vnf-nodejs-wallet-sdk/src";
 import VCLCountries from "@velocitycareerlabs/vnf-nodejs-wallet-sdk/src/api/entities/VCLCountries";
 import VCLEnvironment from "@velocitycareerlabs/vnf-nodejs-wallet-sdk/src/api/VCLEnvironment";
-import VCLCryptoServicesDescriptor from "packages/sdk/src/api/entities/initialization/VCLCryptoServicesDescriptor";
 import { JwtSignServiceMock } from "./mocks/jwt/JwtSignServiceMock";
 import { JwtVerifyServiceMock } from "./mocks/jwt/JwtVerifyServiceMock";
 import { KeyServiceMock } from "./mocks/key/KeyServiceMock";
@@ -25,7 +27,9 @@ describe("initalization flow", () => {
 
     test("App initialization", async () => {
         await vcl.initialize(
-            new VCLInitializationDescriptor(VCLEnvironment.DEV,
+            new VCLInitializationDescriptor(
+                VCLEnvironment.Dev,
+                VCLXVnfProtocolVersion.XVnfProtocolVersion2,
                 new VCLCryptoServicesDescriptor(
                     new KeyServiceMock(),
                     new JwtSignServiceMock(),
diff --git a/packages/sdk/package.json b/packages/sdk/package.json
index 94b6ea4..7689160 100644
--- a/packages/sdk/package.json
+++ b/packages/sdk/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@velocitycareerlabs/vnf-nodejs-wallet-sdk",
-    "version": "0.9.14",
+    "version": "0.9.15",
     "description": "VNF Wallet SDK Nodejs",
     "main": "dist/index.js",
     "types": "dist/index.d.ts",
diff --git a/packages/sdk/src/api/entities/error/VCLError.ts b/packages/sdk/src/api/entities/error/VCLError.ts
index 784014b..847c3e0 100644
--- a/packages/sdk/src/api/entities/error/VCLError.ts
+++ b/packages/sdk/src/api/entities/error/VCLError.ts
@@ -18,6 +18,7 @@ export default class VCLError extends Error {
         this.error = error;
         this.errorCode = errorCode;
         this.statusCode = statusCode;
+        this.payload = JSON.stringify(this.generatePayload());
 
         this.name = "VCLError";
         Object.setPrototypeOf(this, new.target.prototype); // restore prototype chain
@@ -37,17 +38,17 @@ export default class VCLError extends Error {
     }
 
     static fromError(
-        error: Error,
+        error: any,
         statusCode: number | null = null
     ): VCLError {
         if (error instanceof VCLError) {
             return error;
         }
         return new VCLError(
-            null,
-            VCLErrorCode.SdkError.toString(),
-            error.message ?? JSON.stringify(error),
-            statusCode
+            error.error,
+            error.errorCode,
+            error.message,
+            error.statusCode ?? statusCode,
         );
     }
 
@@ -61,6 +62,15 @@ export default class VCLError extends Error {
         };
     }
 
+    private generatePayload(): Dictionary<any> {
+        return {
+            [VCLError.KeyError]: this.error,
+            [VCLError.KeyErrorCode]: this.errorCode,
+            [VCLError.KeyMessage]: this.message,
+            [VCLError.KeyStatusCode]: this.statusCode,
+        };
+    }
+
     static readonly KeyPayload: string = "payload";
     static readonly KeyError: string = "error";
     static readonly KeyErrorCode: string = "errorCode";
diff --git a/packages/sdk/test/entities/VCLError.test.ts b/packages/sdk/test/entities/VCLError.test.ts
index 8bc1814..0dc67dc 100644
--- a/packages/sdk/test/entities/VCLError.test.ts
+++ b/packages/sdk/test/entities/VCLError.test.ts
@@ -20,7 +20,6 @@ describe("VCLError Tests", () => {
             ErrorMocks.StatusCode
         );
 
-        expect(error.payload).toBeNull();
         expect(error.error).toBe(ErrorMocks.Error);
         expect(error.errorCode).toBe(ErrorMocks.ErrorCode);
         expect(error.message).toBe(ErrorMocks.Message);
@@ -51,14 +50,19 @@ describe("VCLError Tests", () => {
         );
         const errorJsonObject = error.jsonObject;
 
-        expect(errorJsonObject[VCLError.KeyPayload]).toBeFalsy();
         expect(errorJsonObject[VCLError.KeyError]).toBe(ErrorMocks.Error);
-        expect(errorJsonObject[VCLError.KeyErrorCode]).toBe(
-            ErrorMocks.ErrorCode
-        );
+        expect(errorJsonObject[VCLError.KeyErrorCode]).toBe(ErrorMocks.ErrorCode);
         expect(errorJsonObject[VCLError.KeyMessage]).toBe(ErrorMocks.Message);
-        expect(errorJsonObject[VCLError.KeyStatusCode]).toBe(
-            ErrorMocks.StatusCode
-        );
+        expect(errorJsonObject[VCLError.KeyStatusCode]).toBe(ErrorMocks.StatusCode);
+    });
+
+    test("testErrorFromSomeError", () => {
+        const error = VCLError.fromError(ErrorMocks.SomeErrorJson);
+
+        expect(JSON.parse(error.payload ?? "{}")).toStrictEqual(ErrorMocks.SomeErrorJson);
+        expect(error.error).toBe(ErrorMocks.SomeErrorJson['error']);
+        expect(error.errorCode).toBe(ErrorMocks.SomeErrorJson['errorCode']);
+        expect(error.message).toBe(ErrorMocks.SomeErrorJson['message']);
+        expect(error.statusCode).toBe(ErrorMocks.SomeErrorJson['statusCode']);
     });
 });
diff --git a/packages/sdk/test/infrastructure/resources/valid/ErrorMocks.ts b/packages/sdk/test/infrastructure/resources/valid/ErrorMocks.ts
index 611f839..de233c8 100644
--- a/packages/sdk/test/infrastructure/resources/valid/ErrorMocks.ts
+++ b/packages/sdk/test/infrastructure/resources/valid/ErrorMocks.ts
@@ -5,6 +5,13 @@ class ErrorMocks {
     static ErrorCode = "proof_jwt_is_required";
     static Message = "proof.jwt is missing";
     static StatusCode = 400;
+
+    static SomeErrorJson = {
+        "error": "Bad Request",
+        "message": "Exchange 668306be0a90a4bff3c4707a is in an invalid state",
+        "statusCode": 400,
+        "errorCode": "exchange_invalid"
+    }
 }
 
 export { ErrorMocks };