Title: Walker compatibility errors
Last modified: August 24, 2016

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# Walker compatibility errors

 *  [Josh Visick](https://wordpress.org/support/users/jvisick77/)
 * (@jvisick77)
 * [11 years, 2 months ago](https://wordpress.org/support/topic/walker-compatibility-errors/)
 * I am getting strict errors logged like the following:
 * “Error: Declaration of Shailan_Walker_Page::end_lvl() should be compatible with
   Walker::end_lvl(&$output, $depth = 0, $args = Array)”
 * I was able to stop them by matching the declaration code for the following to
   the parent abstract methods: start_lvl, end_lvl, star_el, end_el.
 * This is similar to: [https://wordpress.org/support/topic/post-expirator-error-messages?replies=3](https://wordpress.org/support/topic/post-expirator-error-messages?replies=3)
 * Thanks,
    Josh
 * [https://wordpress.org/plugins/subpages-extended/](https://wordpress.org/plugins/subpages-extended/)

Viewing 1 replies (of 1 total)

 *  [cippen](https://wordpress.org/support/users/cippen/)
 * (@cippen)
 * [10 years, 4 months ago](https://wordpress.org/support/topic/walker-compatibility-errors/#post-6028244)
 * Hi Josh!
 * I have the same problem, can you please post the changes you made?

Viewing 1 replies (of 1 total)

The topic ‘Walker compatibility errors’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [cippen](https://wordpress.org/support/users/cippen/)
 * Last activity: [10 years, 4 months ago](https://wordpress.org/support/topic/walker-compatibility-errors/#post-6028244)
 * Status: not resolved