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ORA-00001: Unique Constraint Error Occurs When Tax Exempt Operation is Performed on Return (Doc ID 2264016.1)

Last updated on MAY 27, 2020

Applies to:

Oracle Retail Point-of-Service - Version 14.0.2 and later
Information in this document applies to any platform.


On Oracle Retail Point-of-Service (ORPOS), ORA-00001: Unique Constraint error is received when tax exempt operation is performed on return.

Steps to Reproduce:

1. Tender a normal sale transaction.
2. Press F2/Return and enter the relevant transaction ID.
3. Back to the 'Sell Item' screen, press F5/Transaction > F2/Tax > F4/Exempt.
4. Press F6/Tender > F2/Cash.

Check the Store Server logs and notice the following error;




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