Was working fine till I updated the plugin today
Version 3.6.15 with rtMedia Pro Version 2.3.2
page uses shortcode
[rtmedia_gallery global=“true” media_type=‘photo’]
Solved
Went into Settings -> Permalinks and Saved them. Fixed the issue.
Ray
Glad to know that, closing this topic now.
Feel free to create new topic, if you face any other issues.