How to resolve QuickBooks Error 6140

You just started with your task and BOOM! You get a warning message dialog box which comprises QuickBooks Error 6140. But don’t worry we will provide you all the essential information regarding the error and its troubleshooting methods. So that you can resolve it effectively without any drawback. 


So let’s get started but before that, if you are in a hurry or having a tight schedule then ring us at QuickBooks Error Support Phone Number +1-855-533-6333 to save your precious time and efforts and let our experts handle your problems on behalf of you!! 


What is QuickBooks 6140?

QuickBooks Error 6140 indicates the Duplicate Document Number Error. It means the number you mention has already been used in invoicing MSP service to QuickBooks. This is not a commonly reported error but if you are confronted then don’t get troubled!! 


Methods to resolve the error


Method 1:

  • First of all, open your QBO and go to Settings
  • Then go to Account and Setting and then Sales
  • Now check whether the custom transaction number is ‘off’
  • Go back to Settings and select Advanced
  • Check if the duplicate check is used is also turned off
  • Then click on Sync errors. 
  • It will make a list of errors and then you have to clear it

Method 2:

  • Firstly open invoice
  • Tap on delete in the top site if there were
  • After that select edit
  • Now update the invoice number
  • At last, save the invoice.


Connect with us!!

We hope for the best that these methods assist you well to eliminate the QuickBooks Error 6140. Unfortunately, if they didn’t then do not worry!! Make a call at our QuickBooks error support phone number +1-855-533-6333 anytime and our experts will assist you with a precise and effective solution. As we are available 24/7 round the clock for you!! 

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