Some days you just have to laugh at Facebook's algorithms. Wouldn't it be nice if there was a person on the other end of Facebook at all times?
As with most things Facebook related, there are best practices to troubleshoot issues, the most common one always being to delete the attempt and resubmit. Sometimes simply changing a word or character can get past Facebook's automations, but other times you may need to wait a few extra days and try again.
There's unfortunately no direct way to make Facebook do what we all want it to do when we want it. But if you want peace of mind that a team is monitoring and taking care of your Facebook commerce and shopping needs, our Trail Blazer plan may be best for you.
For your future reference, here's a link to Facebook's commerce policies.