Fatal error: Class WP_Block_List contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Countable::) in /home/astar1s/domains/oemautoparts.pl/public_html/wp-includes/class-wp-block-list.php on line 15

Fatal error: Uncaught Error: Call to a member function set() on null in /home/astar1s/domains/oemautoparts.pl/public_html/wp-includes/l10n.php:857 Stack trace: #0 /home/astar1s/domains/oemautoparts.pl/public_html/wp-includes/l10n.php(960): load_textdomain('default', '/home/astar1s/d...', 'ru_RU') #1 /home/astar1s/domains/oemautoparts.pl/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /home/astar1s/domains/oemautoparts.pl/public_html/wp-includes/l10n.php on line 857