Title: Warning: Undefined array key
Last modified: September 27, 2021

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# Warning: Undefined array key

 *  Resolved [donsenilo1968](https://wordpress.org/support/users/donsenilo1968/)
 * (@donsenilo1968)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/warning-undefined-array-key/)
 * hello
 * It works but I get this error:
 * > Warning: Undefined array key “sc_invisible” in /homepages/27/d790527478/htdocs/
   > clickandbuilds/test/wp-content/plugins/official-statcounter-plugin-for-wordpress/
   > StatCounter-Wordpress-Plugin.php on line 98
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwarning-undefined-array-key%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [StatCounter](https://wordpress.org/support/users/statcounter/)
 * (@statcounter)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/warning-undefined-array-key/#post-14911626)
 * That’s very strange. Can you get in touch with support and we’ll arrange a zoom
   call to live debug this.
 * [https://statcounter.com/support/contact/](https://statcounter.com/support/contact/)
 *  Thread Starter [donsenilo1968](https://wordpress.org/support/users/donsenilo1968/)
 * (@donsenilo1968)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/warning-undefined-array-key/#post-14912985)
 * You have tested your plugin to WordPress 5.7.3, actual is 5.8.1.
    Or its a problem
   with php8.
 *  [StatCounterSupport](https://wordpress.org/support/users/statcountersupport/)
 * (@statcountersupport)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/warning-undefined-array-key/#post-14916978)
 * I’ll double check with the team about php 8 and get back to you.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Warning: Undefined array key’ is closed to new replies.

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   rev=1988081)
 * [StatCounter - Free Real Time Visitor Stats](https://wordpress.org/plugins/official-statcounter-plugin-for-wordpress/)
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 * 3 replies
 * 3 participants
 * Last reply from: [StatCounterSupport](https://wordpress.org/support/users/statcountersupport/)
 * Last activity: [4 years, 8 months ago](https://wordpress.org/support/topic/warning-undefined-array-key/#post-14916978)
 * Status: resolved