If you get a PHP error like “Allowed memory size of xxx bytes exhausted” you have to increase your memory limit. To do so you have to open the wp-config.php in your WordPress root directory and add following line

define('WP_MEMORY_LIMIT', '256M');

Some hosts doesn’t allow this changes (or it has no effect). Often it gets overwritten by some global max values. Contact your host for more information.

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