QuickBooks Error Message Code 6143 is a common issue indicating a problem with opening a company file. This error can occur due to damaged or corrupt files, issues with network settings, or even conflicts with third-party software. To resolve QuickBooks Error 6143, try verifying and rebuilding your company file, update QuickBooks to the latest version, and ensure network configurations are correct.If the above steps do not resolve the issue, it is recommended to seek assistance from QuickBooks helpline Number.“You Can Call Us +1(855)-955-1942