It isn't the kind of experience we want you to come across, Peter626CPA.
The error message indicates there are network issues, database issues, conflicting programs, and a server or workstation that doesn't meet the system requirements for QuickBooks.
With that, you can resolve this by trying the steps laid in these articles:
If the error persists, you can try the solutions on this reference under the If the error appears on multiple workstations section: Fix locked file errors in QuickBooks Desktop.
You may refer to this article that lists different ways to fix unrecoverable errors:
Unrecoverable Error: General Troubleshooting Steps.
Keep me posted as to how things work on your end. I'll be around to ensure this gets resolved.
