How to fix Error 6189, 816 and 6190, 816 - QuickBooks - Intuit

Errors 6189, 816, and 6190, 816 in QuickBooks usually indicate issues with your company file or multi-user mode. Here's how you can troubleshoot and resolve them:
Error 6189, 816:
This error typically occurs when there's a mismatch between the QuickBooks transaction log (.TLG) file and the company file (.QBW).
Solutions:
Restart QuickBooks and the Server:
Close QuickBooks on all computers.
Restart your server (or the computer where the company file is stored).
Reopen QuickBooks on your computer.
Check Permissions:
Ensure that all users have sufficient permissions to access the QuickBooks company file.
Make sure that the file is not open or locked by another process.
Update QuickBooks to the Latest Version:
Always make sure that QuickBooks Desktop is updated to the latest version to fix compatibility issues.
Rename the .ND and .TLG Files:
Navigate to your QuickBooks company file folder.
Find the files with the same name as your company file but with .ND and .TLG extensions (e.g., YourCompanyFileName.ND and YourCompanyFileName.TLG).
Right-click on each file and rename them to [filename].old.
Open QuickBooks again. QuickBooks will automatically recreate these files.
Run QuickBooks File Doctor:
Download and run the QuickBooks Tool Hub.
Use the File Doctor feature to scan and repair your company file.
Connect Any Problem Face
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Error 6190, 816:
This error is commonly associated with trying to access the company file in a single-user mode on a multi-user setup.