diff --git a/compiler/error/source/400_BAD_REQUEST.tsv b/compiler/error/source/400_BAD_REQUEST.tsv
index 953b96af..8537e43d 100644
--- a/compiler/error/source/400_BAD_REQUEST.tsv
+++ b/compiler/error/source/400_BAD_REQUEST.tsv
@@ -91,3 +91,4 @@ IMAGE_PROCESS_FAILED	The server failed to process your image
 USERNAME_NOT_MODIFIED	The username was not modified
 CALL_ALREADY_ACCEPTED	The call is already accepted
 CALL_ALREADY_DECLINED	The call is already declined
+PHOTO_EXT_INVALID	The photo extension is invalid
\ No newline at end of file
diff --git a/pyrogram/client/client.py b/pyrogram/client/client.py
index 5181b029..7f8ce2ef 100644
--- a/pyrogram/client/client.py
+++ b/pyrogram/client/client.py
@@ -1178,7 +1178,7 @@ class Client(Methods, BaseClient):
 
                     try:
                         module = import_module(module_path)
-                    except ModuleNotFoundError:
+                    except ImportError:
                         log.warning('[LOAD] Ignoring non-existent module "{}"'.format(module_path))
                         continue
 
@@ -1214,7 +1214,7 @@ class Client(Methods, BaseClient):
 
                     try:
                         module = import_module(module_path)
-                    except ModuleNotFoundError:
+                    except ImportError:
                         log.warning('[UNLOAD] Ignoring non-existent module "{}"'.format(module_path))
                         continue