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Error Creating Tax Rates Via Tax Rates UI "ORA-00001: unique constraint (ZX.ZX_RATES_B_U1) violated" (Doc ID 2168109.1)

Last updated on JULY 09, 2018

Applies to:

Oracle E-Business Tax - Version 12 to 12.2 [Release 12.0 to 12.2]
Information in this document applies to any platform.


On : 12.1.3 version, Tax Set Up

When try to create a tax rate, following error occurs.

Exception Details.
oracle.apps.fnd.framework.OAException: java.sql.SQLIntegrityConstraintViolationException: ORA-00001: unique constraint (ZX.ZX_RATES_B_U1) violated
ORA-06512: at "APPS.ZX_RATES_PKG", line 320
ORA-06512: at line 1

at oracle.apps.fnd.framework.OAException.wrapperInvocationTargetException(
at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(

The issue can be reproduced at will with the following steps:
1. Tax Rate page
2. Try to create a rate and error occurs


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