<br /><strong>Fatal error</strong>: Uncaught exception <strong>DatabaseException_Query</strong> with message <strong>Query error: MySQL server has gone away (2006) (SELECT tl_workflow_element.* FROM
                    tl_workflow_element 
              JOIN  tl_workflow_worksheet ON tl_workflow_worksheet.id = tl_workflow_element.pid 
              WHERE tl_workflow_element.`type` = 'event' AND tl_workflow_worksheet.published=1)</strong> thrown in <strong>/var/www/html/system/drivers/DB_Idimysqli.php</strong> on line <strong>613</strong>
<pre style="margin: 11px 0 0 0;">
#0 /var/www/html/system/libraries/Database.php(601): DB_Idimysqli_Statement->query()
#1 /var/www/html/system/modules/workflow_generator/WorkflowGenerator.php(90): Database_Statement->execute()
#2 [internal function]: WorkflowGenerator::addEventListeners()
#3 /var/www/html/system/modules/idi_lib/lib/event/callback/Callback.php(211): call_user_func_array('WorkflowGenerat...', Array)
#4 [internal function]: Callback->call()
#5 /var/www/html/system/modules/idi_lib/lib/event/callback/CallbackCaller.php(131): call_user_func_array(Array, Array)
#6 /var/www/html/system/modules/idi_lib/lib/event/callback/CallbackCaller.php(63): CallbackCaller->callAllArray('configLoaded', Array)
#7 /var/www/html/system/libraries/Config.php(122): CallbackCaller->callAll('configLoaded')
#8 /var/www/html/system/libraries/Config.php(387): Config->__construct()
#9 /var/www/html/system/initialize.php(193): Config::getInstance()
#10 /var/www/html/index.php(42): require('/var/www/html/s...')
#11 {main}
</pre>