Error on site
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Hello!
I get a error on my site and cant acccess adminpanel.
This is the error,
Warning: call_user_func_array() expects parameter 1 to be a valid callback, class ‘WP_Block_Supports’ not found in /customers/8/b/a/reklamkungen.se/httpd.www/wp-includes/class-wp-hook.php on line 287 Warning: Cannot modify header information – headers already sent by (output started at /customers/8/b/a/reklamkungen.se/httpd.www/wp-includes/class-wp-hook.php:287) in /customers/8/b/a/reklamkungen.se/httpd.www/wp-includes/pluggable.php on line 1296 Warning: Cannot modify header information – headers already sent by (output started at /customers/8/b/a/reklamkungen.se/httpd.www/wp-includes/class-wp-hook.php:287) in /customers/8/b/a/reklamkungen.se/httpd.www/wp-includes/pluggable.php on line 1299Anyone have a answer how to fix the problem?
The page I need help with: [log in to see the link]
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