diff --git a/lib_afc_mosaic/universe_map_file.py b/lib_afc_mosaic/universe_map_file.py
index 6c84e7b..f40aa93 100644
--- a/lib_afc_mosaic/universe_map_file.py
+++ b/lib_afc_mosaic/universe_map_file.py
@@ -205,9 +205,13 @@ class AFCMUniverseMapFile:
         amplify_rows = []
         removed_rows = []
 
-        voterset_filename_s3_key = os.path.join(self.metadata.get("s3_key", ""), voterset_filename)
-        file_data_stream = self.voterset_s3_connection.get_object(self.voterset_s3_bucket,
-                                                                  voterset_filename_s3_key)
+        try:
+            voterset_filename_s3_key = os.path.join(self.metadata.get("s3_key", ""), voterset_filename)
+            file_data_stream = self.voterset_s3_connection.get_object(self.voterset_s3_bucket,
+                                                                      voterset_filename_s3_key)
+        except Exception as ex:
+            raise Exception(f"universe_map_file.process_file: Failed to get {self.voterset_s3_bucket}/{voterset_filename_s3_key}: {ex}") from ex
+
         rows = read_voterdata_csv_stream(file_data_stream)
         logging.debug("rows = %s", len(rows))
 
@@ -236,7 +240,7 @@ class AFCMUniverseMapFile:
             try:
                 parsed_number = phonenumbers.parse(cell_phone_num,'US')
             except Exception: # pylint: disable=broad-exception-caught
-                r['reason'] = f"bad row #{i} in {voterset_filename} reason='could not parse phone number'"
+                r['afc_error'] = f"bad row #{i} in {voterset_filename}; reason='could not parse phone number'"
                 removed_rows.append(r)
                 if "could not parse phone number" in self.stats["removed_details"]:
                     self.stats["removed_details"]["could not parse phone number"] += 1
@@ -248,7 +252,7 @@ class AFCMUniverseMapFile:
             if phonenumbers.is_possible_number(parsed_number):
                 possible_number = parsed_number
             else:
-                r['reason'] = f"bad row #{i} in {voterset_filename} reason='invalid phone number'"
+                r['afc_error'] = f"bad row #{i} in {voterset_filename}; reason='invalid phone number'"
                 removed_rows.append(r)
                 if "invalid phone number" in self.stats["removed_details"]:
                     self.stats["removed_details"]["invalid phone number"] += 1
@@ -261,7 +265,7 @@ class AFCMUniverseMapFile:
                 formatted_number = phonenumbers.format_number(possible_number,
                                                               phonenumbers.PhoneNumberFormat.E164)
             else:
-                r['reason'] = f"bad row #{i} in {voterset_filename} reason='invalid phone number'"
+                r['afc_error'] = f"bad row #{i} in {voterset_filename}; reason='invalid phone number'"
                 removed_rows.append(r)
                 if "invalid phone number" in self.stats["removed_details"]:
                     self.stats["removed_details"]["invalid phone number"] += 1
@@ -271,7 +275,7 @@ class AFCMUniverseMapFile:
 
             # look up carrier errors and optouts
             if formatted_number in self.error_numbers:
-                r['reason'] = f"bad row #{i} in {voterset_filename} reason='{self.error_numbers[formatted_number]}'"
+                r['afc_error'] = f"bad row #{i} in {voterset_filename}; reason='{self.error_numbers[formatted_number]}'"
                 removed_rows.append(r)
                 if self.error_numbers[formatted_number] in self.stats["removed_details"]:
                     self.stats["removed_details"][self.error_numbers[formatted_number]] += 1
@@ -281,7 +285,7 @@ class AFCMUniverseMapFile:
 
             # last check, make sure we haven't added this number already
             if formatted_number in self.running_phone_numbers:
-                r['reason'] = f"bad row #{i} in {voterset_filename} reason='duplicate phone number'"
+                r['afc_error'] = f"bad row #{i} in {voterset_filename}; reason='duplicate phone number'"
                 removed_rows.append(r)
                 if "duplicate phone number" in self.stats["removed_details"]:
                     self.stats["removed_details"]["duplicate phone number"] += 1