QuickBooks Error 6138 105: The Complete Fix Guide. Experiencing QuickBooks Error 6138 105? This error usually happens due to company file issues or network conflicts. Fix it by troubleshooting the network, verifying the file location, and updating QuickBooks. These simple steps can help you restore normal functionality and prevent future errors. https://help-quickbooks.alboompro.com/post/a-comprehensive-toolkit-to-troubleshoot-qb-error-6138-105