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R12:EBTAX Getting Error While Adding a New Tax Line on a Paid Iinvoice "Unexpected error occurred during Tax Calculation. Exception: A mandatory constraint to generate unique summary tax line is violated with error ORA-00001." (Doc ID 2170446.1)

Last updated on FEBRUARY 12, 2019

Applies to:

Oracle Payables - Version 12.1.3 and later
Information in this document applies to any platform.

Symptoms

Oracle R12.X
In Oracle Payables, when a user attempts to correct the paid invoice by adding a new line, is getting below tax error :

 

 

The issue can be reproduced at will with the following steps:

 1. Go to Payables Responsibility

 2. Create AP invoice

 3. Calculated Tax correctly

 4. Cancelled Tax lines

 5. Validate and Account the Invoice

 6.Invoice Paid in full

Due to wrong Project number in AP lines , the invoice has been corrected as below :

 1.Discarded AP Invoice line with wrong Project number

2. Add new Invoice line manually with correct Project number and Task

3. Calculated Tax lines

4. cancelled the Tax line from Tax details window

5. Validate the invoice , here getting the above error

 


Due to this issue, users cannot  cannot close the current accounting period.


Cause

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In this Document
Symptoms
Cause
Solution
References


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