• Error Number:20038 Error:Internal error (Node SalesReceiptItemAdd - '' is not a valid integer value)
• Error Number:20004 - The receipt is not balanced. Undefined amount is XXX
• Error: You must have QuickBooks 2015 or greater to install the QuickBooks Webconnector
• Error: Company file is locked by another client
• An error of type E_USER_ERROR - Error Msg.: SQL: SHOW TABLES
• Error connecting to QuickBooks: Authentication Failed / Could not verify the web application server certificate
• Waiting Another Service is Updating
• Unsupported character in wp-config.php file - QuickBooks Desktop and POS sync
• Running sync testing - best practices