Title: Warning: Illegal string offset ‘difference’ in /wp-
Last modified: March 14, 2022

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# Warning: Illegal string offset ‘difference’ in /wp-

 *  Resolved [Branja](https://wordpress.org/support/users/branja/)
 * (@branja)
 * [4 years, 2 months ago](https://wordpress.org/support/topic/warning-illegal-string-offset-difference-in-wp/)
 * Hi there,
 * After install Rank Math Pro – I am getting next errors in wp Admin (Rank Math
   Overview window) section:
 *     ```
       Warning: Illegal string offset 'difference' in /wp-content/plugins/seo-by-rank-math/includes/modules/analytics/class-analytics-common.php on line 311
   
       Warning: Illegal string offset 'difference' in /wp-content/plugins/seo-by-rank-math/includes/modules/analytics/class-analytics-common.php on line 311
   
       Warning: Illegal string offset 'total' in /wp-content/plugins/seo-by-rank-math/includes/modules/analytics/class-analytics-common.php on line 318
       0 
       Warning: Illegal string offset 'difference' in /wp-content/plugins/seo-by-rank-math/includes/modules/analytics/class-analytics-common.php on line 319
       0
       ```
   
 * At this time I do not see any errors or warnings on front pages.
 * Can you help me with this?
 * Regards,
    Branislav
    -  This topic was modified 4 years, 2 months ago by [Branja](https://wordpress.org/support/users/branja/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwarning-illegal-string-offset-difference-in-wp%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Support [Rank Math Support](https://wordpress.org/support/users/rankmathteam/)
 * (@rankmathteam)
 * [4 years, 2 months ago](https://wordpress.org/support/topic/warning-illegal-string-offset-difference-in-wp/#post-15457118)
 * Hello [@branja](https://wordpress.org/support/users/branja/),
 * Thank you for contacting the support and sorry for any inconvenience that might
   have been caused due to that.
 * As per the forum rules, we are not allowed to provide support for the PRO version
   of the plugin.
 * Please open a new support topic here so we can assist you faster and better:
   
   [https://support.rankmath.com/](https://support.rankmath.com/)
 * Looking forward to helping you.

Viewing 1 replies (of 1 total)

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## Tags

 * [Warning: Illegal string offset](https://wordpress.org/support/topic-tag/warning-illegal-string-offset/)

 * 1 reply
 * 2 participants
 * Last reply from: [Rank Math Support](https://wordpress.org/support/users/rankmathteam/)
 * Last activity: [4 years, 2 months ago](https://wordpress.org/support/topic/warning-illegal-string-offset-difference-in-wp/#post-15457118)
 * Status: resolved