How to correct "PHP Fatal error: Allowed memory size" errors from cPanel

Introduction

A PHP application running under your domain throws an error similar to the following.

PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 32768 bytes) in /home/cptest/public_html/wp-content/plugins/forminator/library/model/class-form-entry-model.php on line 1815

When this occurs, the PHP memory limit for the site must be increased. This article provides the steps needed to correct the error from cPanel.

Procedure

1. Login into the user's cPanel.
2. Open the "MultiPHP INI Editor" application in the "Software" panel.
3. Click the "Basic Mode" tab.
4. Select your domain from the drop-down menu.
5. Locate the line for the "memory_limit" option.
6. Set a higher value in the "memory_limit" textbox.
   Please note that the exact value needed depends on the application. Some trial-and-error may be required.
7. Click the "Apply" button.

Additional resources

MultiPHP INI Editor for cPanel