The QuickBooks Error 6189,77has been reported to occur while accessing or creating a company file. The company file cannot be retrieved in a timely manner, resulting in a runtime error. There are numerous causes of this error, including a corrupt business file, multiple workstations using the same file simultaneously in single-user mode, etc. Similar types of errors include Error 6189, Error 6189 82, Error 6189 1005, Error 6189 85, etc. In this article, we’ll look at various causes of this error and troubleshooting methods to resolve it.