Title: Fatal error Last modified: August 20, 2016 --- # Fatal error * [Paul Sutherland](https://wordpress.org/support/users/paul-sutherland/) * (@paul-sutherland) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/) * I tried to upgrade and got this message: * “Plugin failed to reactivate due to a fatal error. * Fatal error: Uncaught exception ‘FileOperationException’ with message ‘**/home/ skymania/public_html/wp/wp-content/w3tc-config/master.php** could not be created, please run following command: - chmod 777 /home/skymania/public_html/wp/wp-content/ cache/tmp - chmod 777 /home/skymania/public_html/wp/wp-content/ w3tc-config - ‘ in /home/skymania/public_html/wp/wp-content/plugins/w3-total-cache/inc/functions/ activation.php:127 Stack trace: #0 /home/skymania/public_html/wp/wp-content/ plugins/w3-total-cache/lib/W3/ConfigWriter.php(159): w3_throw_on_write_error(‘/ home/skymania/…’, Array) #1 /home/skymania/public_html/wp/wp-content/plugins/ w3-total-cache/lib/W3/Config.php(71): W3_ConfigWriter->save() #2 /home/skymania/ public_html/wp/wp-content/plugins/w3-total-cache/lib/W3/CloudFlare.php(174): W3_Config->save() #3 /home/skymania/public_html/wp/wp-content/plugins/w3-total- cache/lib/W3/Plugin/CloudFlare.php(52): W3_CloudFlare-> in /home/skymania/ public_html/wp/wp-content/plugins/w3-total-cache/inc/functions/activation. php on line 127″ * But trying to delete the plugin gives this: W3 Total Cache Error: some files appear to be missing or out of place. Please re-install plugin or remove /home/ skymania/public_html/wp/wp-content/db.php. * Not sure what to do. I’m concerned that so many people are reporting the plug- in as broken. * Paul * [http://wordpress.org/extend/plugins/w3-total-cache/](http://wordpress.org/extend/plugins/w3-total-cache/) Viewing 8 replies - 1 through 8 (of 8 total) * [els4vents](https://wordpress.org/support/users/els4vents/) * (@els4vents) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469062) * [http://wordpress.org/support/topic/i-upgraded-to-the-latest-version-and-lost-the-dashboard?replies=1](http://wordpress.org/support/topic/i-upgraded-to-the-latest-version-and-lost-the-dashboard?replies=1) * exactly the same message, but I can not even access dashboard and unistal * [petejoe43](https://wordpress.org/support/users/petejoe43/) * (@petejoe43) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469103) * Received a fatal error that completely disabled plug in. Please Help!! Plugin failed to reactivate due to a fatal error. * Fatal error: Uncaught exception ‘FileOperationException’ with message ‘**/home/ vipvalid/public_html/gunrightsforall.com/wp-content/w3tc-config/master.php** could not be created, please run following command: - chmod 777 /home/vipvalid/public_html/gunrightsforall. com/wp-content/cache/tmp - chmod 777 /home/vipvalid/public_html/gunrightsforall. com/wp-content/w3tc-config - ‘ in /home/vipvalid/public_html/gunrightsforall.com/wp-content/plugins/w3- total-cache/inc/functions/activation.php:127 Stack trace: #0 /home/vipvalid/ public_html/gunrightsforall.com/wp-content/plugins/w3-total-cache/lib/W3/ConfigWriter. php(159): w3_throw_on_write_error(‘/home/vipvalid/…’, Array) #1 /home/vipvalid/ public_html/gunrightsforall.com/wp-content/plugins/w3-total-cache/lib/W3/Config. php(71): W3_ConfigWriter->save() #2 /home/vipvalid/public_html/gunrightsforall. com/wp-content/plugins/w3-total-cache/lib/W3/CloudFlare.php(174): W3_Config- >save in /home/vipvalid/public_html/gunrightsforall.com/wp-content/plugins/ w3-total-cache/inc/functions/activation.php on line 127 * [xgenblogger](https://wordpress.org/support/users/xgenblogger/) * (@xgenblogger) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469162) * Solution: * Go to /wp-content/plugins/w3-total-cache/inc/functions/ Look for activation. php and Open it in code editor through your Cpanel or FTP access. * At beginning of line no. 127 type: /* and at the end type */ * it looks like – * /*throw new FileOperationException($error, ‘read’, ‘file’, $path);*/ * Save the file. * Now you can login to dashboard, deactivate w3 total cache plugin. * Now remove the /* and */ you added before, save the file again. * Go to dashboard activate plugin and you’re good to go * [Via] member VivaWP, Thread: [http://wordpress.org/support/topic/w3tc-0928-killed-my-backend](http://wordpress.org/support/topic/w3tc-0928-killed-my-backend) * [digitalsea](https://wordpress.org/support/users/birdsong/) * (@birdsong) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469233) * Thanks for answer xgenblogger, I followed your solution and worked! * [Q Ball](https://wordpress.org/support/users/qball/) * (@qball) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469239) * Thank you xgenblogger. worked like a charm. * [peter devine](https://wordpress.org/support/users/peter-devine/) * (@peter-devine) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469248) * Thanks xgenblogger – great stuff: Fixed my issue. It would be great if someone who knows could explain how the problem came to exist in the first place. * [xgenblogger](https://wordpress.org/support/users/xgenblogger/) * (@xgenblogger) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469249) * [@peter](https://wordpress.org/support/users/peter/) * Not sure but i think it happened because while updating plugin it failed to properly activate itself therefor fatal error occurred. What we have done is manually activated plugin. * That’s all i know, wordpress developer or any geek can explain it well. * [Todd](https://wordpress.org/support/users/absaroka/) * (@absaroka) * [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469250) * I did the fix mentioned above which got me into the admin, and I can navigate to pages, but i still can not navigate to my posts. any suggestions on how fixthis? * thanks Viewing 8 replies - 1 through 8 (of 8 total) The topic ‘Fatal error’ is closed to new replies. * ![](https://ps.w.org/w3-total-cache/assets/icon-256x256.png?rev=1041806) * [W3 Total Cache](https://wordpress.org/plugins/w3-total-cache/) * [Frequently Asked Questions](https://wordpress.org/plugins/w3-total-cache/#faq) * [Support Threads](https://wordpress.org/support/plugin/w3-total-cache/) * [Active Topics](https://wordpress.org/support/plugin/w3-total-cache/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/w3-total-cache/unresolved/) * [Reviews](https://wordpress.org/support/plugin/w3-total-cache/reviews/) * 8 replies * 8 participants * Last reply from: [Todd](https://wordpress.org/support/users/absaroka/) * Last activity: [13 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-642/#post-3469250) * Status: not resolved