When you receive the error 6123, it usually means that something has gone wrong with Quickbooks. There are a few different common issues that cause this error. The most common issue is a software problem. If you have tried all of your standard troubleshooting steps and are still experiencing this error, there may be an issue with the database files. If this is the case, then they can't be accessed anymore and Quickbooks will be unable to properly function.

read- https://opencloudmanifesto.org..../quickbooks-error-61

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