QuickBooks Error 3120: Detailed Step-Wise Resolutions

Posted by John Kartan
6
Mar 29, 2024
202 Views
QuickBooks Error 3120


It is common for QuickBooks users to execute a financial exchange process between QB Desktop & QuickBooks Point of Sale (POS). However, numerous errors can prevent users from performing the financial exchange process & one of these errors is ‘QuickBooks Error 3120’.

Generally, this error code belongs to the ‘3000 Error Code Series’, and it occurs while attempting to type transaction details inside data file records on the system. Experts have opined that the previous presence of transaction details inside the data file records can trigger this issue.

Here is the correct technical analysis of this error, including highly effective resolutions.

Are you deeply annoyed by ‘QuickBooks Error 3120’? You should dial 1.855.738.2784 to connect with our QB Technical Professionals Team for guidance.

QB Application Error 3120: Likely Technical Causes

The ‘QB Application Error 3120’ can occur due to the following major reasons:
  • If you do not properly map various accounts within QB Point of Sale, this problem will arise.
  • Another common cause is having duplicate customer names inside the customer (and vendor) lists on the system.

Highly Effective Resolutions For The ‘3120 QuickBooks Desktop Point of Sale Error Message’

You can eliminate the ‘3120 QuickBooks Desktop Point of Sale Error Message’ by using the resolutions explained below:


Resolution 1: Ensure the seamless & valid mapping of all accounts inside QB Point of Sale

  1. In this resolution, swiftly open the QB Point of Sale application window on the computer, after which you will have to choose the ‘File’ menu.
  2. Thereafter, seamlessly choose the ‘Preferences’ tab, and you can go forward to tap the ‘Company’ option available on the screen.
  3. Next, identify & shift to the ‘Financial’ section inside the relevant window, after which you must carefully choose the ‘Accounts’ tab.
  4. After that, you can note various account names listed inside the ‘Basic’ & the ‘Advanced’ tabs of the window.
  5. At this step, verify the mapping of all accounts listed under the ‘Basic’ & the ‘Advanced’ tabs so that the settings have correct configuration.
  6. Just after that, you can successfully press the ‘Save’ button to execute the verified settings on your system.
  7. In the final step, you can seamlessly carry out the required financial exchange process on your computer.


Resolution 2: Successfully rectify this error by merging all duplicate names within QuickBooks Point of Sale

  • In this resolution, you will promptly launch the QuickBooks Point of Sale application, after which you will need to access the ‘Customer/Vendor’ section.
  • Thereafter, view all the different customer names displayed within the official list, and you have to identify all the duplicate customer names effectively & easily.
  • Now, right-click each customer name that you want to merge & you must tap the ‘Edit Customer’ button to revise the customer name.
  • After that, the revised name can be saved by tapping the ‘OK’ button & you can edit the customer name by using the ‘Merge Window’ option.
  • Finally, you will tap the ‘OK’ button & immediately execute the financial exchange process on the system through QuickBooks POS.

By implementing the various resolutions illustrated above in the correct order, you can overcome ‘QuickBooks Error 3120’. For additional technical help, you need to dial 1.855.738.2784 to connect with our QB Professionals Team.


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