Worked for me ivndrs. Maybe you shouldn’t give bogus reviews on something that you didn’t even pay for?
I encountered this problem when I cloned over a stage site I built for a client to their url. There was items still in the cart que. This also caused the media manager to stop working as well.
Whatever the issue, this was the fastest way to fix the issue.
1 – Backup Your Site!
2 – Install https://ww.wp.xz.cn/plugins/wp-optimize/ (WP Optimize) and activate it.
3 – Run WP Optimize (don’t forget to uncheck “Delete Revisions” if you want to keep them. Mostly you want to delete the transients.
Hope this helps someone. I fixed the site in 2 minutes.