Frontend Fatal Errors

A fatal error typically occurs when an active plugin attempts to call a function defined in another plugin that you have disabled. If the active plugin does not first verify that the function exists, the site will crash.

You can often resolve this conflict by adding the following line of code to your wp-config.php file, just before the line that says /* That’s all, stop editing! Happy blogging. */:

define( 'FDP_REMOVE_FILTERS_BEFORE_FIRST_PLUGIN', true );

Regardless of whether this fix works, please open a thread on our Support Forum. We would like to identify which specific plugin caused the error so we can notify its developers and improve overall compatibility.