The third reason for this error could be when another user is accessing the company files in Single User Mode. When the company file is updated on a new device without updating the transaction file, it will show error -6190, -816. Update failure could be another reason for QuickBooks error -6190, -816. Hence, when the “QBW” file does not match the linked “TLG file, QuickBooks shows error 6190,-816. You can’t open it to convert this file into a Company data file (QBW). The transaction log file does not match with the company fileĪ transaction log file is a file in which the summary of transactions done by the company is automatically saved.The QuickBooks error 6190 could occur due to several reasons. If this doesn’t work, continue reading the blog to find more reasons behind the error and solutions to resolve it. You can try to fix the error, by asking that user to switch from single_user mode to multi-user mode. This error message clearly suggests that the company file won’t open when “another user is logged into company file in a single-user mode”. If the article doesn’t help you resolve the problem, contact Support for assistance. Go to the Support site to view an article about the error. The Support site contains information about this type of error and how to resolve the issue.

If it is, ask your system administrator to make the file accessible. The file could also be located in a read-only network folder. You should ask that user to switch to multi-user mode so you can both use the company file at the same time. QuickBooks is unable to open this company file.

Quickbooks error code 1618