I get white screen with error message when trying add an action (/admin/config/workflow/business_rules/action/add)

Uncaught exception thrown in session handler.
Drupal\Core\Database\DatabaseExceptionWrapper: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT 1 AS expression FROM {sessions} sessions WHERE sid = :db_condition_placeholder_0; Array ( [:db_condition_placeholder_0] => q_zmtzjQJvR_ZLW8RI3QLNL-QXwp-UZ5GH14qFIo538 ) in Drupal\Core\Session\SessionHandler->write() (line 84 of /var/www/html/rawpix/web/core/lib/Drupal/Core/Session/SessionHandler.php).

Comments

pyxio created an issue. See original summary.

pyxio’s picture

pyxio commented

Can anybody help me troubleshoot this issue? thank you

yseki’s picture

yseki commented
Related issues: +#2983453: On adding an action, the site goes back to install.php

Hi pyxio,

This error is caused by low memory allocated for MySql.
See here how to fix it.

yseki’s picture

yseki commented
Status: Active » Closed (works as designed)
spanners’s picture

spanners commented

Confirming that raising the max_allowed_packet on my local Mac got rid of this issue.

tunprog’s picture

tunprog
Primary language English
Location Paris 🇫🇷
commented

@Spanners thanks man you saved my time.