fix: forward service error message

Author: Eric Ptak

lib/Request.js

@@ -233,8 +233,9 @@ class Request {
     if (error instanceof CoreError) {
       return error;
     }
+    const message = error.response?.body?.message || error.message || error;
 
-    error = new CoreError(error, { statusCode: error.status });
+    error = new CoreError(message, { statusCode: error.status });
     return error;
   }