Thumbnail Generation Alert! after moving site

hi I moved my from a testing site sub.name.com to name.com/

I am now getting the thumbnail error message:

Thumbnail Generation Alert!
There is a problem generating thumbnails for your gallery. Please check that your hosting provider has the GD Image Library extension installed and enabled.
If thumbnails cannot be generated, then full-sized, uncropped images will be used instead. This will result in slow page load times, and thumbnails that do not look correct.

on my system info page i get the following warning (did not have this in the original site)

Warning: file_get_contents(https://name.com/wp-content/uploads/2018/12/swineout.jpg): failed to open stream: HTTP request failed! HTTP/1.1 500 Internal Server Error in /home2/chtab/public_html/wp19/wp-content/plugins/foogallery/includes/admin/view-system-info.php on line 68

the https://name.com/wp-content/uploads/2018/12/swineout.jpg i believe should be //name.com/wp19/wp-content/uploads/2018/12/swineout.jpg

as my original site did not use a subdirectory install while the new one does (wp19).

I have cleared caches, done numerous database search and replace saved permalinks. not sure what to do next.