This is the well know issue which will be fixed with the upcoming update. For now to fix this issue at your site, you can apply the following fix:
- Go to /ow_system_plugins/base/classes/avatar_field_validator.php file.
- Find the following string:
if ( !file_exists($path) )
and replace it with the following one:
if ( !file_exists($path) && !BOL_AvatarService::getInstance()->getAvatarUrl(OW::getUser()->getId(), 1) )
Or you can set the upload avatar field as optional via Admin Area > User Settings >>
Avatar upload field, set the display value.