diff --git a/package.json b/package.json
index dc47611..8afbe28 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "samp-cli",
-  "version": "1.0.66",
+  "version": "1.0.67",
   "description": "CLI tool for extended productivity with AWS Serverless Application Model (SAM)",
   "main": "index.js",
   "scripts": {
diff --git a/src/commands/stepfunctions/index.js b/src/commands/stepfunctions/index.js
index 6631a47..5668523 100644
--- a/src/commands/stepfunctions/index.js
+++ b/src/commands/stepfunctions/index.js
@@ -15,6 +15,7 @@ program
   .option("--region [region]", "The AWS region to use. Falls back on AWS_REGION environment variable if not specified")
 
   .action(async (cmd, opts) => {
+    try {
     if (cmd === "init") {
       opts.logicalId = await inputUtil.text("Name of state machine resource", "StateMachine");
       opts.aslFile = await inputUtil.text("Path to output ASL definition file", "statemachine.yaml");
@@ -27,5 +28,12 @@ program
     } else {
       console.log("Unknown command. Valid commands are: init, sync, test-state");
     }
+  } catch (e) {
+    console.log("\n" + e.message + "\nTo see the full stack trace, set environment variable SAMP_DEBUG=1 and run the command again.");
+    if (process.env.SAMP_DEBUG) {
+      console.log(e.stack);
+    }
+    process.exit(1);
+  }
     return;
   });
diff --git a/src/commands/stepfunctions/test-state.js b/src/commands/stepfunctions/test-state.js
index ae1cbbc..03e9a2b 100644
--- a/src/commands/stepfunctions/test-state.js
+++ b/src/commands/stepfunctions/test-state.js
@@ -12,9 +12,25 @@ const { Spinner } = require('cli-spinner');
 
 const os = require('os');
 let clientParams;
-async function run(cmd) {
+async function run(cmd) {    
     const config = await samConfigParser.parse();
-    const credentials = await fromSSO({ profile: cmd.profile || config.profile || 'default' });
+    
+    if (!cmd.stackName && !config.stack_name) {
+        console.log("No stack name found. Use --stack-name or set stack_name in samconfig.toml");
+        process.exit(1);
+    }
+
+    if (!cmd.region && !config.region) {
+        console.log("No region found. Use --region or set region in samconfig.toml");
+        process.exit(1);
+    }
+    
+    let credentials;
+    try {
+      credentials = await fromSSO({ profile: cmd.profile || config.profile || 'default' });
+    } catch (e) {
+    }
+  
     clientParams = { credentials, region: cmd.region || config.region }
     const sfnClient = new SFNClient(clientParams);
     const cloudFormation = new CloudFormationClient(clientParams);
diff --git a/src/shared/samConfigParser.js b/src/shared/samConfigParser.js
index e1fa405..d6290fb 100644
--- a/src/shared/samConfigParser.js
+++ b/src/shared/samConfigParser.js
@@ -24,9 +24,9 @@ function parse() {
 
   const envConfig = config[configEnv].deploy.parameters;
   envConfig.configEnv = process.env.configEnv || 'default';
-  envConfig.stack_name = envConfig.stack_name || config[configEnv].global.parameters.stack_name
-  envConfig.region = envConfig.region || config[configEnv].global.parameters.region || process.env.AWS_REGION;
-  envConfig.profile = envConfig.profile || config[configEnv].global?.parameters.profile || process.env.AWS_PROFILE || 'default';
+  envConfig.stack_name = envConfig.stack_name || config[configEnv].global?.parameters?.stack_name
+  envConfig.region = envConfig.region || config[configEnv].global?.parameters?.region || process.env.AWS_REGION;
+  envConfig.profile = envConfig.profile || config[configEnv].global?.parameters?.profile || process.env.AWS_PROFILE || 'default';
   return envConfig;
 }