Why do I get QuickBooks error 6190 and 816 when trying to open my company file in multi-user mode?
The QuickBooks error 6190 and 816 is a multi-user company file error that usually occurs if a user is working on the file in single-user mode. However, it can also happen due to the TLG file and ND file being corrupted. To fix it, you can rename the TLG and ND files and ensure no one is using single-user mode while working on the company file.
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Allan ramsay
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