diff --git a/src/controllers/api/accreditation.ts b/src/controllers/api/accreditation.ts
index 66bc50d3..2be9a8ac 100644
--- a/src/controllers/api/accreditation.ts
+++ b/src/controllers/api/accreditation.ts
@@ -292,7 +292,7 @@ export class AccreditationController {
 
 				if (result.success === false) {
 					return response.status(result.status).send({
-						error: `root Authorization or parent Accreditation is not valid`,
+						error: `Invalid Request: Root Authorization or parent Accreditation is not valid: ${result.error}`,
 					});
 				}
 			}
diff --git a/src/services/api/accreditation.ts b/src/services/api/accreditation.ts
index ac3173d4..6ecc6db0 100644
--- a/src/services/api/accreditation.ts
+++ b/src/services/api/accreditation.ts
@@ -125,7 +125,7 @@ export class AccreditationService {
 					return {
 						success: false,
 						status: StatusCodes.BAD_REQUEST,
-						error: `Invalid termsOfUse`,
+						error: `Missing parentAccreditaiton and rootAuthorization in termsOfUse for accreditation: ${accreditationUrl}`,
 					};
 				}
 
diff --git a/tests/e2e/parallel/accreditation/negative-flow.spec.ts b/tests/e2e/parallel/accreditation/negative-flow.spec.ts
new file mode 100644
index 00000000..293907ab
--- /dev/null
+++ b/tests/e2e/parallel/accreditation/negative-flow.spec.ts
@@ -0,0 +1,40 @@
+import { test, expect } from '@playwright/test';
+import { StatusCodes } from 'http-status-codes';
+import * as fs from 'fs';
+import { CONTENT_TYPE, PAYLOADS_PATH } from '../../constants';
+
+test.use({ storageState: 'playwright/.auth/user.json' });
+
+test(' Issue accreditation [Negative]: Missing query parameters', async ({ request }) => {
+	const credentialData = JSON.parse(fs.readFileSync(`${PAYLOADS_PATH.ACCREDITATION}/authorize-jwt.json`, 'utf-8'));
+	const issueResponse = await request.post(`/trust-registry/accreditation/issue`, {
+		data: JSON.stringify(credentialData),
+		headers: {
+			'Content-Type': CONTENT_TYPE.APPLICATION_JSON,
+		},
+	});
+	expect(issueResponse.status()).toBe(StatusCodes.BAD_REQUEST);
+});
+
+test(' Verify accreditation [Negative]: Missing request body', async ({ request }) => {
+	const verifyResponse = await request.post(`/trust-registry/accreditation/verify`, {
+		headers: {
+			'Content-Type': CONTENT_TYPE.APPLICATION_JSON,
+		},
+	});
+	expect(verifyResponse.status()).toBe(StatusCodes.BAD_REQUEST);
+});
+
+test(' Issue accreditation [Negative]: Invalid schema', async ({ request }) => {
+	const credentialData = JSON.parse(
+		fs.readFileSync(`${PAYLOADS_PATH.ACCREDITATION}/invalid-schema-accredit.json`, 'utf-8')
+	);
+	const issueResponse = await request.post(`/trust-registry/accreditation/issue?accreditationType=accredit`, {
+		data: JSON.stringify(credentialData),
+		headers: {
+			'Content-Type': CONTENT_TYPE.APPLICATION_JSON,
+		},
+	});
+
+	expect(issueResponse.status()).toBe(StatusCodes.UNAUTHORIZED);
+});
diff --git a/tests/e2e/sequential/accreditation/issue-verify-flow.spec.ts b/tests/e2e/sequential/accreditation/issue-verify-flow.spec.ts
index eb909b1c..c1d45ebf 100644
--- a/tests/e2e/sequential/accreditation/issue-verify-flow.spec.ts
+++ b/tests/e2e/sequential/accreditation/issue-verify-flow.spec.ts
@@ -50,26 +50,6 @@ test(' Issue and verify a authorize accreditation', async ({ request }) => {
 	expect(result.verified).toBe(true);
 });
 
-test(' Issue accreditation [Negative]', async ({ request }) => {
-	const credentialData = JSON.parse(fs.readFileSync(`${PAYLOADS_PATH.ACCREDITATION}/authorize-jwt.json`, 'utf-8'));
-	const issueResponse = await request.post(`/trust-registry/accreditation/issue`, {
-		data: JSON.stringify(credentialData),
-		headers: {
-			'Content-Type': CONTENT_TYPE.APPLICATION_JSON,
-		},
-	});
-	expect(issueResponse.status()).toBe(400);
-});
-
-test(' Verify accreditation [Negative]', async ({ request }) => {
-	const verifyResponse = await request.post(`/trust-registry/accreditation/verify`, {
-		headers: {
-			'Content-Type': CONTENT_TYPE.APPLICATION_JSON,
-		},
-	});
-	expect(verifyResponse.status()).toBe(400);
-});
-
 test(' Issue and verify a accredit accreditation', async ({ request }) => {
 	const credentialData = JSON.parse(fs.readFileSync(`${PAYLOADS_PATH.ACCREDITATION}/accredit-jwt.json`, 'utf-8'));
 	const issueResponse = await request.post(`/trust-registry/accreditation/issue?accreditationType=accredit`, {
@@ -158,20 +138,6 @@ test(' Issue and verify a child accredit accreditation', async ({ request }) =>
 	expect(result.verified).toBe(true);
 });
 
-test(' Issue invalid schema accreditation', async ({ request }) => {
-	const credentialData = JSON.parse(
-		fs.readFileSync(`${PAYLOADS_PATH.ACCREDITATION}/invalid-schema-accredit.json`, 'utf-8')
-	);
-	const issueResponse = await request.post(`/trust-registry/accreditation/issue?accreditationType=accredit`, {
-		data: JSON.stringify(credentialData),
-		headers: {
-			'Content-Type': CONTENT_TYPE.APPLICATION_JSON,
-		},
-	});
-
-	expect(issueResponse.status()).toBe(StatusCodes.UNAUTHORIZED);
-});
-
 test(' Issue and verify a attest accreditation', async ({ request }) => {
 	const credentialData = JSON.parse(fs.readFileSync(`${PAYLOADS_PATH.ACCREDITATION}/attest-jwt.json`, 'utf-8'));
 	const issueResponse = await request.post(`/trust-registry/accreditation/issue?accreditationType=attest`, {