Hello, @abouttodumpintu.

The post will be marked as solved once the reply is accepted as a solution by the one who created the post.

In case the steps that were provided by my colleagues didn't work for you, then I suggest reaching out to our Product Support team. 

You can follow the steps provided by SarahannC on how to contact the QuickBooks Desktop Customer Support Team. 

They have the tools to get into your account and further check what's causing the error and help you resolve it. 

Let us know if there's anything that I can help with your account. The Community is always here to assist.