When the company file and the transaction log file don't match, QuickBooks Error 6190 appears. It typically shows up in multi-user mode and blocks access to the company file. In order to restore correct synchronization and guarantee seamless QuickBooks functioning, troubleshooting is necessary. For professional advice and assistance with QuickBooks, call 1.855.738.2784.
https://www.promoteproject.com/article/206579/relevant-ways-to-successfully-get-rid-of-quickbooks-error-6190
