Allowed memory size exhausted

  • I have been having this issue lately on all of my WordPress websites.
    Fatal Error: Allowed memory size of XXX bytes exhausted (tried to allocate XXX bytes) in wp-includes/functions on line 384.

    This happens from time to time with the iThemes security plugin. When I disactivate the plugin it works again. No other plugin is causing this error.

    These following lines get pushed into my php_error.log too:
    [10-Dec-2015 10:02:34 Europe/Paris] PHP Fatal error: Cannot redeclare timer_stop() (previously declared in :54622336) in /wp-includes/load.php on line 236
    [10-Dec-2015 10:09:54 Europe/Paris] PHP Fatal error: Cannot redeclare wp_fix_server_vars() (previously declared in :2) in /wp-includes/load.php on line 94
    [10-Dec-2015 10:09:55 Europe/Paris] PHP Fatal error: Cannot redeclare wp_fix_server_vars() in /wp-includes/load.php on line 94
    [10-Dec-2015 10:09:56 Europe/Paris] PHP Fatal error: Cannot redeclare wp_fix_server_vars() (previously declared in :54624072) in /wp-includes/load.php on line 94
    [10-Dec-2015 10:11:40 Europe/Paris] PHP Fatal error: Cannot redeclare _get_cron_lock() (previously declared in P/:43) in /wp-cron.php on line 56
    [10-Dec-2015 10:11:56 Europe/Paris] PHP Fatal error: Cannot redeclare wp_fix_server_vars() in /wp-includes/load.php on line 94

    These again all have to do with iThemes security.
    Any ideas? It’s quite a pain in the ass as this happens on literally every site I’ve developed in WP over the last 5 months.

    https://www.ads-software.com/plugins/better-wp-security/

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