Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) in lock_may_be_available() (line 167 of /var/www/lejonsson/lejondans/drupal-7.64/includes/lock.inc).

Additional

PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) in system_list() (line 165 of /var/www/lejonsson/lejondans/drupal-7.64/includes/module.inc).