When installing application (e.g. Joomla) in Plesk Automation (PA), following error occurs:
Error displaying the error page: Application Instantiation Error: SQL=SELECT `session_id` FROM `jos_session` WHERE `session_id` = '0u55r02p7silg9hldic4igmq91' LIMIT 0, 1
- Application installation from APS Catalog hangs on downloading stage.
PA cache of the application is inconsistent.
Clear Application cache in PA Panel by clicking Home > Hosted Applications > Installed Apps > Clear Cache.
- Try to install application again.