diff --git a/pyQuARC/main.py b/pyQuARC/main.py
index 8982d41b..0159b67a 100644
--- a/pyQuARC/main.py
+++ b/pyQuARC/main.py
@@ -237,22 +237,25 @@ def _error_message(messages):
 
     @staticmethod
     def _format_cmr_error(cmr_validation):
-        if not cmr_validation.get("errors"):
+        cmr_errors = cmr_validation.get("errors")
+        if not cmr_errors:
             return None
         error_msg_dict = {}
         error_msg = ""
-        if errors := cmr_validation.get("errors"):
-            for error in errors:
-                if type(error) is dict and error.get("path"):
-                    if error["path"][0] not in error_msg_dict:
-                        error_msg_dict[error["path"][0]] = []
-                    error_msg_dict[error["path"][0]].append(error['errors'])
-                else:
-                    error_msg_dict["Misc"] = [error]
+        for error in cmr_errors:
+            if type(error) is dict and error.get("path"):
+                if error["path"][0] not in error_msg_dict:
+                    error_msg_dict[error["path"][0]] = []
+                error_msg_dict[error["path"][0]].append(error['errors'])
+            else:
+                error_msg_dict["Misc"] = [error]
         for path, errors in error_msg_dict.items():
             error_msg += f"\n\t>> {path}: {END}\n"
             for error in errors:
-                error_msg += f"\t\t{COLOR['error']}Error:{END} {str(error)}\n"
+                error_str = str(error)
+                if isinstance(error, list):
+                    error_str = ", ".join(error)
+                error_msg += f"\t\t{COLOR['error']}Error:{END} {error_str}\n"
         return error_msg
 
     def display_results(self):