Title: Fatal error: ob_start() [ref.outcontrol]: Cannot u
Last modified: August 22, 2016

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# Fatal error: ob_start() [ref.outcontrol]: Cannot u

 *  [lampz](https://wordpress.org/support/users/lampz/)
 * (@lampz)
 * [11 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-ob_start-refoutcontrol-cannot-u/)
 * Hi, I am having this error i dont know what happend..
 * Fatal error: ob_start() [[ref.outcontrol](https://wordpress.org/support/topic/fatal-error-ob_start-refoutcontrol-cannot-u/ref.outcontrol?output_format=md)]:
   Cannot use output buffering in output buffering display handlers in /home/xxxxx/
   xxxxx.com/wp-content/plugins/w3-total-cache/inc/functions/activation.php on line
   368
 * [https://wordpress.org/plugins/w3-total-cache/](https://wordpress.org/plugins/w3-total-cache/)

Viewing 1 replies (of 1 total)

 *  Thread Starter [lampz](https://wordpress.org/support/users/lampz/)
 * (@lampz)
 * [11 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-ob_start-refoutcontrol-cannot-u/#post-5412033)
 * please need answers asap.. i need this to be fixed asap

Viewing 1 replies (of 1 total)

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 * 1 reply
 * 1 participant
 * Last reply from: [lampz](https://wordpress.org/support/users/lampz/)
 * Last activity: [11 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-ob_start-refoutcontrol-cannot-u/#post-5412033)
 * Status: not resolved