I just installed your plugin on a freshly updated site and when I navigate to ../wp-admin/post-new.php?post_type=reviews to create a “New Review” I am getting the following error
Warning: call_user_func() expects parameter 1 to be a valid callback, function ‘reviews_metadata’ not found or invalid function name in ..\wp-admin\includes\template.php on line 975.
Line 975 of the template file is part of the add_meta_box functions and reads:
call_user_func ($box['callback'], $object, $box);
I have searched far and wide for a solution, tested with different themes, tested after disabling all other plugins and tested on a local version and can not figure out what the issue is.
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