Title: Error @Strict Standards
Last modified: August 22, 2016

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# Error @Strict Standards

 *  Resolved [Igor Scheller](https://wordpress.org/support/users/myigel/)
 * (@myigel)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/error-strict-standards-1/)
 * On any Post at the top this Error was shown
    Strict Standards: call_user_func_array()
   expects parameter 1 to be a valid callback, non-static method WYSIJA::hook_override_newsletter_max_size()
   should not be called statically in wp-includes/plugin.php on line 214
 * [https://wordpress.org/plugins/wysija-newsletters/](https://wordpress.org/plugins/wysija-newsletters/)(
   MailPoet Beta)

Viewing 1 replies (of 1 total)

 *  [Gustavo Bordoni](https://wordpress.org/support/users/bordoni/)
 * (@bordoni)
 * [11 years, 8 months ago](https://wordpress.org/support/topic/error-strict-standards-1/#post-5354901)
 * Thanks for reporting this bug Igor, on our next beta version this should be fixed.
 * To resolve your issue you can revert back to Stable or change the following lines
   on your beta Version:
 * /wysija-newsletters/core/base.php:**L1152**
    **from:** `function hook_register_media_manager_image_size(
   $sizes) {` **to:** `public static function hook_register_media_manager_image_size(
   $sizes) {`
 * /wysija-newsletters/core/base.php:**L1163**
    **from:** `function hook_override_newsletter_max_size(
   $ignore, $id, $size) {` **to:** `public static function hook_override_newsletter_max_size(
   $ignore, $id, $size) {`

Viewing 1 replies (of 1 total)

The topic ‘Error @Strict Standards’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Gustavo Bordoni](https://wordpress.org/support/users/bordoni/)
 * Last activity: [11 years, 8 months ago](https://wordpress.org/support/topic/error-strict-standards-1/#post-5354901)
 * Status: resolved