Warning: Declaration of
JCckContentJoomla_User::store($table_instance_name) should be compatible with
JCckContent::store($table_instance_name = '') in /var/www/html/plugins/cck_storage_location/joomla_user/classes/content.php on
The last changes made in JCckContent were not complete for JCckContentUser which had an override of the store method.
It is done with this commit. This will be available today with the release of SEBLOD 3.16.1.
We'll publish the documentation page for JCckContentUser as well.