Hmmmm just got this error after installing the tag cloud plugin :(
*** WARNING: There are 4 posts attached to non existant category #1. You must fix the database! ***
*** WARNING: There are 3 posts attached to non existant category #2. You must fix the database! ***
*** WARNING: There are 2 posts attached to non existant category #3. You must fix the database! ***
*** WARNING: There are 2 posts attached to non existant category #14. You must fix the database! ***
how can I handle this error?
http://www.monogo.net/index.php?blog=2&disp=disclaimer
I've experienced this with CVS HEAD and fixed the cat cache handling, while thinking that it's ok for 1.8.
Edit the _tagcloud.plugin.php file and put
before the call to cat_load_postcounts();
Should be fixed in the next tagcloud release.