Title: W3 Cache errors – debug
Last modified: March 3, 2017

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# W3 Cache errors – debug

 *  [Nicorel](https://wordpress.org/support/users/nicorel/)
 * (@nicorel)
 * [9 years, 3 months ago](https://wordpress.org/support/topic/w3-cache-errors-debug/)
 * Hello,
 * My error:
 * [02-Mar-2017 20:04:50 UTC] PHP Notice: Undefined variable: is_amp_endpoint in/
   home/stirimet/public_html/wp-content/plugins/w3-total-cache/Extension_Amp_Plugin.
   php on line 22
    Thank you, Nicos

Viewing 1 replies (of 1 total)

 *  [nigro.simone](https://wordpress.org/support/users/nigrosimone/)
 * (@nigrosimone)
 * [9 years, 3 months ago](https://wordpress.org/support/topic/w3-cache-errors-debug/#post-8872174)
 * This is the fix [https://github.com/szepeviktor/w3-total-cache-fixed/pull/370](https://github.com/szepeviktor/w3-total-cache-fixed/pull/370)

Viewing 1 replies (of 1 total)

The topic ‘W3 Cache errors – debug’ 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/)
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 * 1 reply
 * 2 participants
 * Last reply from: [nigro.simone](https://wordpress.org/support/users/nigrosimone/)
 * Last activity: [9 years, 3 months ago](https://wordpress.org/support/topic/w3-cache-errors-debug/#post-8872174)
 * Status: not resolved