Attempt to remove custom PBA file when resetting config only if filename exists in DB

monkey/monkey_island/cc/resources/pba_file_upload.py

@@ -69,6 +69,7 @@ class FileUpload(flask_restful.Resource):
             PBA_LINUX_FILENAME_PATH if file_type == "PBAlinux" else PBA_WINDOWS_FILENAME_PATH
         )
         filename = ConfigService.get_config_value(filename_path)
+        if filename:
             file_path = Path(env_singleton.env.get_config().data_dir_abs_path).joinpath(filename)
             try:
                 if os.path.exists(file_path):