Can't apply changes to a view anymore

Hello all, need help

Upgraded to Drupal 7.59 and all modules (including Views) to last version. From that moment on Ajax message: Invalid form POST data.

PHP Message: Notice: Undefined index: form_build_id in ajax_get_form() (line 325 of…

Can’t apply changes to current views anymore.

All idea’s welcome, Thanks.

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/21/feed