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Fatal error: Allowed Memory Size Error in WordPress (Increase WordPress Memory Limit)

Let us quick fix one of the most common error for WordPress – Fatal error: Allowed memory size of bytes exhausted. This tutorial will also guide you on how to increase php memory limit in WordPress.

Error Code: “Allowed memory size of” xxxxxxxx bytes exhausted (tried to allocate xxxxx bytes)

Simply follow the below steps to solve Error 503 in WordPress.

Step 1:

Login to Control Panel / cPanel.

Step 2:

Navigate & open File Manager

Step 3:

Open public_html folder

Step 4:

Edit wp-config.php file (do it by right clicking on the file and click edit)

Step 5:

Copy & paste the below code at the bottom of the file and click on save.

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

Step 6:

  • Thats all! You have fixed the Fatal error for allowed memory size in WordPress and increased the WordPress memory size for smooth & stable working of a WordPress website.
  • You can change 256M upto 1024M depending upon the RAM / Memory Limit assigned in your hosting plan. Consider using myglobalHOST hosting for wordpress as we offer minimum of 1GB RAM per account.