Title: [Plugin: WP Super Cache] Debug messages
Last modified: August 19, 2016

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# [Plugin: WP Super Cache] Debug messages

 *  [myways](https://wordpress.org/support/users/myways/)
 * (@myways)
 * [16 years ago](https://wordpress.org/support/topic/plugin-wp-super-cache-debug-messages/)
 * I’m working through debug errors and notifications for the plugins I’m using.
   Could you please review and correct your plugin code or reply with a configuration
   change if this is on my end.
 * Loading Admin:
    (occurs twice) Notice: Undefined index: wp_cache_key in /home/
   mywayso1/public_html/.WordPress/wp-content/plugins/wp-super-cache/wp-cache-phase1.
   php on line 255
 * Warning: session_start() [function.session-start]: Cannot send session cache 
   limiter – headers already sent (output started at /home/mywayso1/public_html/.
   WordPress/wp-content/plugins/wp-super-cache/wp-cache-phase1.php:255) in /home/
   mywayso1/public_html/.WordPress/wp-content/plugins/wp-e-commerce/merchants/paypal_certified.
   php on line 788
 * Loading Main Page:
    Same as above and this warning Warning: Cannot modify header
   information – headers already sent by (output started at /home/mywayso1/public_html/.
   WordPress/wp-content/plugins/wp-super-cache/wp-cache-phase1.php:255) in /home/
   mywayso1/public_html/.WordPress/wp-content/plugins/wp-super-cache/wp-cache-phase2.
   php on line 71
 * [http://wordpress.org/extend/plugins/wp-super-cache/](http://wordpress.org/extend/plugins/wp-super-cache/)

Viewing 1 replies (of 1 total)

 *  [Donncha O Caoimh (a11n)](https://wordpress.org/support/users/donncha/)
 * (@donncha)
 * [16 years ago](https://wordpress.org/support/topic/plugin-wp-super-cache-debug-messages/#post-1528861)
 * That’s just a warning. Reduce your PHP error level and never have display_errors
   on in a production website!

Viewing 1 replies (of 1 total)

The topic ‘[Plugin: WP Super Cache] Debug messages’ is closed to new replies.

 * 1 reply
 * 2 participants
 * Last reply from: [Donncha O Caoimh (a11n)](https://wordpress.org/support/users/donncha/)
 * Last activity: [16 years ago](https://wordpress.org/support/topic/plugin-wp-super-cache-debug-messages/#post-1528861)
 * Status: not resolved

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