If you got next issue —
Warning: preg_match(): Unknown modifier \’/\’ in /home1/resourc2/public_html/wp-content/plugins/popup-by-supsystic-pro/add_options/mod.php on line 167
This means the you have filled Hide/Show Only for URL match field incorrectly. But now, there is no problem, as so –
- this content was deleted
- that popup was turned off
- that popup was deleted
- or several popups with wrong content inside Hide/Show Only for URL match were deleted or turned off
So, please make sure you have followed the instruction before starting to use Hide/Show Only for URL match for your site popup.