Title: PHP Fatal Error: Memory exhausted
Last modified: March 12, 2024

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# PHP Fatal Error: Memory exhausted

 *  Resolved [rtlaird](https://wordpress.org/support/users/rtlaird/)
 * (@rtlaird)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/php-fatal-error-memory-exhausted-3/)
 * Receiving this error when running in WP debug mode:
 * [11-Mar-2024 05:57:16 UTC] PHP Fatal error: Allowed memory size of 805306368 
   bytes exhausted (tried to allocate 601886720 bytes) in /var/www/html/wordpress/
   public_html/wp-
   content/plugins/all-in-one-wp-security-and-firewall/classes/wp-
   security-user-login.php on line 337[11-Mar-2024 05:57:20 UTC] PHP Fatal error:
   Allowed memory size of 805306368 bytes exhausted (tried to allocate 501223424
   bytes) in /var/www/html/wordpress/public_html/wp-content/plugins/all-in-one-wp-
   security-and-firewall/classes/wp-security-user-login.php on line 337[11-Mar-2024
   05:57:23 UTC] PHP Fatal error: Allowed memory size of 805306368 bytes exhausted(
   tried to allocate 467668992 bytes) in /var/www/html/wordpress/public_html/wp-
   content/plugins/all-in-one-wp-security-and-firewall/classes/wp-security-user-
   login.php on line 337[11-Mar-2024 05:57:26 UTC] PHP Fatal error: Allowed memory
   size of 805306368 bytes exhausted (tried to allocate 434114560 bytes) in /var/
   www/html/wordpress/public_html/wp-content/plugins/all-in-one-wp-security-and-
   firewall/classes/wp-security-user-login.php on line 337[11-Mar-2024 18:27:39 
   UTC] Successfully loaded service schemas from server response. (fetch_service_schemas_from_connect_server)[
   12-Mar-2024 09:35:57 UTC] PHP Fatal error: Allowed memory size of 805306368 bytes
   exhausted (tried to allocate 736104448 bytes) in /var/www/html/wordpress/public_html/
   wp-content/plugins/all-in-one-wp-security-and-firewall/classes/wp-security-user-
   login.php on line 337

Viewing 1 replies (of 1 total)

 *  Plugin Support [hjogiupdraftplus](https://wordpress.org/support/users/hjogiupdraftplus/)
 * (@hjogiupdraftplus)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/php-fatal-error-memory-exhausted-3/#post-17496178)
 * Hi [@rtlaird](https://wordpress.org/support/users/rtlaird/),
 * It seem memory issue while saving stack trace. Please disable php back trace 
   for login lockout.
 * WP security > User security > Login lockout – Enable PHP backtrace in email: 
   has that option.
 * Regards

Viewing 1 replies (of 1 total)

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 * 1 reply
 * 2 participants
 * Last reply from: [hjogiupdraftplus](https://wordpress.org/support/users/hjogiupdraftplus/)
 * Last activity: [2 years, 2 months ago](https://wordpress.org/support/topic/php-fatal-error-memory-exhausted-3/#post-17496178)
 * Status: resolved