Thank you for sharing your question in the Community, we are pleased to assist you.
Please make sure that you are not missing on a field with the required information and also check if there is any field where the information has been filled in the incorrect format.
Also, here is a great article that you can refer to, to troubleshoot this issue further.
Remember to give Kudos to suggestions that help you!
If another user helps solve your issue, please select Accept As Solution on their post so others can see the solution, too!