Warning: preg_match_all(): Compilation failed: invalid range in character class at offset 11 in C:\xampp\htdocs\mowasalat\wp-content\plugins\js_composer\include\autoload\hook-vc-grid.php on line 162

hatayı alıyorum, ilgili 162. satırın kodları:

preg_match_all( "/$pattern/", $post->post_content, $found ); // fetch only needed shortcodes