Sounds like your _comprofiler or _users table or some other related Joomla user table is missing auto increment. Install CB over top of it self with latest build and see if issue persists. If it does you need to review _comprofiler and _users database tables and ensure their auto increment id column is configured properly (it should be marked as auto increment). I've never seen this error before nor has it ever been reported here, but appears common throughout Joomla; see below.
Kyle (Krileon) Community Builder Team Member Before posting on forums:
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That should not be a problem for latest CB 2.x build were we have completely rewritten our SEF routing. In the event the URL is not URL safe it'll convert it to USERID-USERNAME instead of using just USERNAME. Your profile URLs are also missing a menu item alias, which means you are missing the mandatory public and published Joomla menu item to CBs profile page. Please update CB to latest build and create the missing menu item.
Kyle (Krileon) Community Builder Team Member Before posting on forums:
Read FAQ thoroughly
+
Read our Documentation
+
Search the forums CB links:
Documentation
-
Localization
-
CB Quickstart
-
CB Paid Subscriptions
-
Add-Ons
-
Forge
-- If you are a Professional, Developer, or CB Paid Subscriptions subscriber and have a support issue please always post in your respective support forums for best results!
-- If I've missed your support post with a delay of 3 days or greater and are a Professional, Developer, or CBSubs subscriber please
send me a private message
with your thread and will reply when possible!
-- Please note I am available Monday - Friday from 8:00 AM CST to 4:00 PM CST. I am away on weekends (Saturday and Sunday) and if I've missed your post on or before a weekend after business hours please wait for the next following business day (Monday) and will get to your issue as soon as possible, thank you.
-- My role here is to provide guidance and assistance. I cannot provide custom code for each custom requirement. Please do not inquire me about custom development.