The script to Merge User Databases has a bug in it which means not all needed access control levels are set for the imported users. This would have been apparent before the uninstall though, and would only apply to the users imported from UBB.threads to Mambo. I'm attaching a script that hopefully can fix these which you might try, but you must do a database backup first. There are some database configuration options at the top of the script. But before you try it I'd like you to give me the information below:
Which Mambo version are you using? Could you send me a copy of your current mambo.php file so that I can have a look at it and see if the problem is with that script.
The result of these database queries might also help: SELECT id, username, usertype, gid, block FROM mos_users ORDER BY id LIMIT 10; SELECT * FROM mos_core_acl_groups_aro_map ORDER BY aro_id LIMIT 10; SELECT * FROM mos_core_acl_aro ORDER BY aro_id LIMIT 10;
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