Fatal error: Cannot declare class WP_Block_Parser_Block, because the name is already in use in /home/clients/2b6b30f03facbbaef65733f831694c21/web/wp-includes/class-wp-block-parser-block.php on line 15

Fatal error: Uncaught Error: Call to a member function set() on null in /home/clients/2b6b30f03facbbaef65733f831694c21/web/wp-includes/l10n.php:857 Stack trace: #0 /home/clients/2b6b30f03facbbaef65733f831694c21/web/wp-includes/l10n.php(960): load_textdomain('default', '/home/clients/2...', 'fr_FR') #1 /home/clients/2b6b30f03facbbaef65733f831694c21/web/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/clients/2b6b30f03facbbaef65733f831694c21/web/wp-includes/l10n.php on line 857