Clearing the cache (forum and browser) dont help. The
is still there. His status is changed from moderatror to user and the color of the name change from green to normal.
/update. Found it. The field user_group_images in the table user_profile dont change back to NULL and contain "a:1:{i:0;i:3;}"
If I clear it in the table it is gone. Seems that something is missing in the script