Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, array must have exactly two members in /home/formsu/public_html/wp-includes/class-wp-hook.php:307 Stack trace: #0 /home/formsu/public_html/wp-includes/plugin.php(191): WP_Hook->apply_filters(Array, Array) #1 /home/formsu/public_html/wp-includes/kses.php(2258): apply_filters('safe_style_css', Array) #2 /home/formsu/public_html/wp-includes/block-supports/layout.php(59): safecss_filter_attr('650px') #3 /home/formsu/public_html/wp-includes/block-supports/layout.php(210): wp_get_layout_style('.wp-container-1', Array, true, NULL, false, '0.5em') #4 /home/formsu/public_html/wp-includes/class-wp-hook.php(309): wp_render_layout_support_flag('<div class="ent...', Array) #5 /home/formsu/public_html/wp-includes/plugin.php(191): WP_Hook->apply_filters('<div class="ent...', Array) #6 /home/formsu/public_html/wp-includes/class-wp-block.php(284): apply_filters('render_block', '<div class="ent...', Array, Object(WP_Block)) #7 /home/formsu/public_html/wp-includes/blocks.php(901): WP_Block->render() #8 /home/formsu/public_html/wp-includes/blocks.php(939): render_block(Array) #9 /home/formsu/public_html/wp-includes/block-template.php(240): do_blocks('<!-- wp:post-co...') #10 /home/formsu/public_html/wp-includes/template-canvas.php(12): get_the_block_template_html() #11 /home/formsu/public_html/wp-includes/template-loader.php(106): include('/home/formsu/pu...') #12 /home/formsu/public_html/wp-blog-header.php(19): require_once('/home/formsu/pu...') #13 /home/formsu/public_html/index.php(17): require('/home/formsu/pu...') #14 {main} thrown in /home/formsu/public_html/wp-includes/class-wp-hook.php on line 307