diff --git a/packages/openapi-generator/src/error.ts b/packages/openapi-generator/src/error.ts
index 75d5a1ff..7fec19ff 100644
--- a/packages/openapi-generator/src/error.ts
+++ b/packages/openapi-generator/src/error.ts
@@ -6,8 +6,9 @@ import * as E from 'fp-ts/Either';
  * @returns an `E.left` with the error message and a stacktrace
  */
 export function errorLeft(message: string): E.Either<string, never> {
-  const stacktrace = new Error().stack!.split('\n').slice(2).join('\n');
-  const messageWithStacktrace = message + '\n' + stacktrace;
+  // const stacktrace = new Error().stack!.split('\n').slice(2).join('\n');
+  // const messageWithStacktrace = message + '\n' + stacktrace;
+  const messageWithStacktrace = message;
 
-  return errorLeft(messageWithStacktrace);
+  return E.left(messageWithStacktrace);
 }