When your bank statement and the company data of customers, vendors and employees do not match, your desktop throws QuickBooks Error 3120. It surfaces when downloading or processing payments, leaving you incapable of completing the task. You may experience your system’s screen freezing or frequent crashing. It indicates that a specific identity is missing in your data or that the desktop is incapable of retrieving it. Moreover, this error can occur with different object names on the window, like 14A5D-1435238985, 800000-1349276859, and various others. You might be able to use the application by hitting Yes, but it may reappear when you try to enter a transaction. This signifies that the error still exists and needs to be redressed.

Stop puzzling in following the troubleshooting manual for QuickBooks Error 3120. Connect directly with our QuickBooks Support Team at +1-877-750-0672 and let the experts handle your issue. 

Understanding the Causes of Error 3120

It is common to face errors when working on the accounting application. Therefore, correcting the issue as soon as possible is important to continue with the work. To rectify the QuickBooks Error 3120, it is necessary to identify its cause and avoid the reappearance. The responsible factors are listed below:

• The lack of synchronization between the QuickBooks Desktop and QuickBooks Point of Sale (POS) causes error 3120 when trying to import or export data.
• When the customers’ invoices and payments do not match, it causes problems in updating the transaction summary.
• The inconsistency in the invoices compared to QuickBooks data may be the root cause.
• If you forcefully close the rapid inventory without properly shutting it down, the error code 3120 may arise.
• The issue is generated when the account mapping is incorrectly done.
• Inappropriate settings of QuickBooks POS can also be responsible for causing this difficulty in downloading payments.
• The problem might lie in the faulty or damaged QuickBooks Desktop installation.
• If the reference to QuickBooks Receivable and Payables is not valid, QuickBooks might display Error 3120.

Read More : Simple Solutions to Fix QuickBooks Transaction Update Error 3120

100% Effective Fixes For QuickBooks Error 3120

Learn How to fix QuickBooks error 3120 in the easiest ways. Here are a few steps to refer to and terminate the problem:

Solution 1: Map the Quickbooks Account and POS in a Proper Manner

Setting up your account is essential to running the tasks as it directly affects the system’s performance. So, rectify the QuickBooks Error Code 3120 by properly mapping the account.

• Go to your QuickBooks POS and then hit the File tab.
• Now move to Preference from the list and choose Workstation.
• Then, click on Account Preferences under both the Basic and Advanced options.
• Here, you have to ensure that the account you selected for mapping is correct.
• Check whether the account shown is in square brackets or not. If it is, then it needs to be mapped appropriately.
• At last, tap on Save to lock the changes you made.
• Finally, confirm whether your desktop is free from Error 3120 by adding or updating your bank transactions.

Solution 2: Coincide Your QuickBooks POS with the Data

• To eliminate the error, re-sync your data with QuickBooks POS.
• Move to QB POS, then go to the File menu and click on the option Re-sync data in QuickBooks.
• Now, manually match your data with QuickBooks in order by following the instructions on the screen.

*Note that third-party application users need a web connector tool to sync their data with QB. Also, ensure that your web connector is updated and configured. Finally, the process will be re-run to match the data. 

Solution 3: Try Rebuilding Your Data to Remove QuickBooks Error 3120

Utilize the Verify and Rebuild Data Tool to diagnose any corruptions in company files and their components. 

• Open your QuickBooks Desktop and tap on the File button. 
• Now, head on to the Utilities tab from the apparent list.
• Here, find the option Verify Data Utility and click on it.
• Let the tool run the scan for data issues. 
• Next, launch the Rebuild Data tool from the Utilities tab to correct the errors detected in the files. 
• Later, refer to the QBWIN.LOG to check for any remaining errors.
• If found, rectify these errors manually and save the changes. 
• Lastly, try loading your transactions or making payments to see if the problem is resolved. 

Final Summation

Once you can successfully download your banking activities, you are completely free of troubleshooting further for the QuickBooks Error 3120. Moreover, you can try avoiding these errors by regularly updating your QB Desktop. Another essential tip is to maintain a synchronized order of your data across all the integrated platforms of QuickBooks. This means you must name the customers, vendors, and employees with the same name on all apps. Also, keep a record of your data backup to avoid data damage or loss. Unfortunately, if your desktop screen still pushes the error code on the screen, do not hesitate to call our QuickBooks Professional Support at +1-877-750-0672 asap.