Joomla
From KOP KB
Summary
In this Article you can find information on Joomla and the different versions and there know issues and resolutions.
Sessions - Joomla uses sessions to keep track of the users on the site logged in and guests and sometimes it will have issues where a session may get stuck and prevent access to the site.
Example of error:
jtablesession::Store Failed
DB function failed with error number 1016
Can't open file: 'jos_session.MYI' (errno: 145) SQL=INSERT INTO `jos_session` ( `session_id`,`time`,`username`,`gid`,`guest`,`client_id` ) VALUES ( '4bc998b10d92bf4107976d0edacdbb26','1246725653',,'0','1','0' )
Solution:
Using phpmyadmin select the table jos_session and run a repair on it