QuickBooks Error Code 3120 – Description
Once a user encounters QuickBooks Error 3120, QuickBooks might display different object that triggers the error. You might get 800000-1349276859, 14A5D-1435238985

or some other object name in error. Following is the exact description of the error that appears on the user’s screen.

QuickBooks Object Specified in the Request Cannot be found
QuickBooks Error Code 3120
Error

QuickBooks has reported the following error:

Object: “800000-1349276859” specified in the request cannot be found. QuickBooks error message: Invalid argument. The specified record does not exist in the list.

Error Code: 3120

Severity: Error

Please contact your software vendor.
QuickBooks then provides users with an option to continue using QuickBooks by pressing the Yes button. However, pressing the Yes button does not resolve the error, and

you will need to perform additional troubleshooting for a fix..

Solution to Resolve QuickBooks Error Message 3120
IMPORTANT: QuickBooks Desktop Error 3120 is a mapping error that arises when payments and accounts are not set up correctly in QuickBooks. Following the instructions

listed below to Set up Accounts in QuickBooks manually will get you the rid of the error.

Open QuickBooks Desktop Point of Sale and choose Preferences from under the File tab.
Click Workstation and go to the Account Preferences section.
Now verify that the account that you have selected for mapping is correct under both Advanced and Basic tab.
If no account has been selected in the third bracket of the account name, then this indicated the fault in the account set up, and you need to add an account to the

account name section to resolve the error.
Enter the required information in the account name section and from under the Options tab select Save.
Try to add or update transactions and check if you are still getting error code 3120.
Once the error is resolved, make sure to activate the Default QuickBooks Mapping option from under the Financial Exchange section of QuickBooks Desktop.
Resolving errors related to transactions and accounts in QuickBooks can sometimes be a tricky task, and you might need the help of a certified QuickBooks Desktop POS

expert. If you are still struggling to get rid of the error even after following all the troubleshooting steps mentioned in this article, then give us a call to

receive immediate help and assistance from a QuickBooks Desktop expert.