The error looks something like…
Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 2348617 bytes) in /home4/xxx/public_html/wp-includes/plugin.php on line xxx
This is a common problem and occurs when you exceed your default Memory Limit.
Download the wp-config.php from the root WordPress directory.
Add the following line towards the top of the file inside the main php tag:
This increases the memory limit to 128M.
Note: If you continue to see this error after making this update, you’ll need to contact and work with your web hosting company as likely you’re hitting a threshold they’ve set on their server settings for memory usage.