How to fix QuickBooks Error 6000? 

Have you ever experienced “QuickBooks Error Code 6000”? 

Various factors evoke this error code; some of them are:

  • .TLG file is corrupted
  • QuickBooks installation file is corrupted
  • A firewall blocks your internet connection
  • QuickBooks company file damaged 
  • If multiple users logged in to the same company file
  • The network connection is configured incorrectly


  • QB error code 6000: Business Validation Error- Need to set up a transaction value.
  • QB error code 6000: Business Validation Error- Modifying a list element is not possible, which has been removed.
  • QB error code 6000: The paid amount and credits need to be equal to or more than the selected bills. 
  • QB error code 6000: Business Validation Error- Be certain of all your transactions to have a GST or HST rate before you accumulate.


  • QuickBooks Online
  • Bill Syncing


  • An amount of $0.00 was entered for the transaction. Multi-matter bills where they enrolled one but never paid. 
  • A Connection was made inactive in QBO.
  • A charge was implemented to the Bill before the payment synced with QuickBooks. 
  • The billing currency is different from the customarily accepted currency.

Fix QuickBooks error code 6000

  • Select the payment mode/credit note/tax line, and register an amount.
  • Stimulate the connection with the QuickBooks.
  • Create the credit memo manually in QuickBooks or else remove the credit note and wait for an hour or so, and after that again add the credit note to Bill.
  • Get assured of a tax code for each line of taxation. Global companies require a tax code at every order of taxation. 

Solve the error: 

1. Plan a tax category in auto task with tax to 0%.

  • Do not miss out on setting up tax on the Tax Category for each suitable Tax Region. 

2. Plan a Sales Tax Rate in QBO with a 0% taxation.

  • Be certain of the name which is identical to the Tax you produced in Autotask.

3. Try again syncing the invoice by ridding error from the Invoice Number field in billing history.

The solutions mentioned above will help you solve QuickBooks Error 6000.

In case you cannot fix QuickBooks Error 6000 or are unable to understand the issue, reach eBetterBooks Support contact number +1-844-929-2244 for immediate support.


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