Title: Fatal error: Allowed memory size Last modified: August 24, 2016 --- # Fatal error: Allowed memory size * [CrackingAce](https://wordpress.org/support/users/crackingace/) * (@crackingace) * [11 years ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/) * I’ve been struggling with this problem for months, searching forums and blogs but no result. Seems as though a lot of people have the same issue and are also struggling. * Does anyone have a solution? This error appears regularly both on site and in the admin area: * Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 6771453 bytes) in /public_html/wp-includes/functions.php on line 377 * I’ve been deactivating and reactivating/replacing plugins to see if it’s a particular one, but it doesn’t seem to be that any one is the problem, but perhaps a combination. I can’t single out a culprit. Viewing 9 replies - 1 through 9 (of 9 total) * [Lalit Nagrath](https://wordpress.org/support/users/laliz/) * (@laliz) * [11 years ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083457) * you are exhausting 268 mb of memory? what r u running? woocommerce? * what you should do is enable error logs and check them regularly [https://codex.wordpress.org/Debugging_in_WordPress](https://codex.wordpress.org/Debugging_in_WordPress) * another plugin i can recommend is p3 profiler to see if some plugin is slowing you down. * Thread Starter [CrackingAce](https://wordpress.org/support/users/crackingace/) * (@crackingace) * [11 years ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083477) * Just a gaming/entertainment blog. Fairly image heavy on some posts but not sure if that would make a huge difference. * [Jason G.](https://wordpress.org/support/users/jggeorgebellsouthnet/) * (@jggeorgebellsouthnet) * [11 years ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083511) * @ CrackingAce You could also try using a CDN for your media (image files) as well as reviewing your plugins. Also, I would maybe check to see if your wp-config. php file includes the following: define(‘WP_MEMORY_LIMIT’, ‘256MB’); This allows WordPress to use more PHP memory. Though, you may have allocated enough already. Lastly, I might research wp-includes/functions.php; you may just try replacing your wp-includes folder. Hope this helps! * [Lalit Nagrath](https://wordpress.org/support/users/laliz/) * (@laliz) * [11 years ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083516) * you need to see what is causing so much memory usage. if i am right this 256mb used is just by wordpress (suballoted to process php?) and memory usage by Apache etc isnt counted in this, so you need to optimize Php and your wordpress installation/ themes and plugins. * start with your database and enable slow queries (login via phpmyadmin). optimize the database too.Enabling caching is a good idea.also keep all your have wordpress and plugins/themes up to date. * you should try to run the p3 profiler plugin i mentioned. * [MarkRH](https://wordpress.org/support/users/markrh/) * (@markrh) * [11 years ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083523) * Dang… mine uses like 42MB at most, on the admin backend. * 256mb with a image heavy site.. hmmm wonder if something is causing PHP to load the images in to memory? * Thread Starter [CrackingAce](https://wordpress.org/support/users/crackingace/) * (@crackingace) * [11 years ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083596) * Thanks for the responses. * I used P3 Plugin already to see if anything might have been causing the problem. * I’ve deactivated several plugins that I was using and whittled it down to just the ones that I absolutely need. I previously thought it may have been Jetpack, or Bulletproof Security, or one of the social media autoposter plugins. They are all now deactivated and the error is still present. The only plugin that P3 now shows to be potentially high is NextGen Gallery. I have asked their programmers for advice and they seem pretty sure it’s not a problem with their plugin, but so far no result finding the actual cause. * I’m don’t have much technical knowledge with these kinds of things so I wouldn’t have the first clue on how to do things like optimising php or what to look for in functions.php. I’m using WordPress because it’s supposed to make things straight forward for people like me! Haha. * [Lalit Nagrath](https://wordpress.org/support/users/laliz/) * (@laliz) * [10 years, 11 months ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083766) * anything in error log? * i will suggest to take a backup of existing files/database and do a manual upgrade [https://codex.wordpress.org/Updating_WordPress#Manual_Update](https://codex.wordpress.org/Updating_WordPress#Manual_Update) * be aware that theme setting might go away so take backup of that too. * this is to make sure wordpress is not causing this memory issue. if the issue persist , will advise to revert to default theme and disable all plugins for time being. * Thread Starter [CrackingAce](https://wordpress.org/support/users/crackingace/) * (@crackingace) * [10 years, 11 months ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083767) * In between a huge amount of the above error are some instances of: * PHP Fatal error: Call to undefined function load_textdomain() in /home/cracking/ public_html/wp-admin/includes/admin.php on line 15 * PHP Fatal error: Call to undefined function wp() in /home/cracking/public_html/ wp-blog-header.php on line 14 * PHP Fatal error: Call to undefined function apply_filters() in /home/cracking/ public_html/xmlrpc.php on line 80 * Looking at it myself, I have no idea what could be wrong. I don’t know what I’m looking for. * [Lalit Nagrath](https://wordpress.org/support/users/laliz/) * (@laliz) * [10 years, 11 months ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083768) * can you upload all of the error log to pastebin.com as the message you have posted isnt much useful. * also if you have support at hosting company, let your server guys know about this issue, they might be able to fix it quickly as they monitor their server on regular basis Viewing 9 replies - 1 through 9 (of 9 total) The topic ‘Fatal error: Allowed memory size’ is closed to new replies. * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/) * 9 replies * 4 participants * Last reply from: [Lalit Nagrath](https://wordpress.org/support/users/laliz/) * Last activity: [10 years, 11 months ago](https://wordpress.org/support/topic/fatal-error-allowed-memory-size-74/#post-6083768) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics