After an upgrade to EE4, from EE2 we got a problem with grid fields. When we want to edit field groups, add field groups or add/change low variables we get the following fatal error:
Fatal error: Call to a member function accepts_content_type() on a non-object in /var/www/sites/impact/system/ee/EllisLab/Addons/grid/libraries/Grid_lib.php on line 665
We cleaned the field types table, and made sure every addon we use is up to date and EE4 compatible.
When i try the trick used in a previous problem here on the forum: add var_dump($field_short_name); in grid_lib
I get “Fluid_field” as return, followed by the fatal error.
This is a default EE field type, why do i get this error and how can i fix it?
Thanks!
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