Error When Updating Accounts in Quicken for Mac: QCS-0400-6
Product Version
Business
Deluxe
Premier
Starter
Overview
These errors occur when there is information out of sync in Quicken Cloud Services.
Instructions
This is typically resolved by closing the Quicken application, waiting a few minutes, and then reopening it. If prompted, click the Fix It button.
If the issue persists
If the problem continues, contact Quicken Support for assistance.