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R12: AP: An Unexpected Error Occurs when Calculating Tax (ORA-00001 on ZX.ZX_LINES_SUMMARY_U1) on an Invoice (Doc ID 2444646.1)

Last updated on NOVEMBER 01, 2018

Applies to:

Oracle E-Business Tax - Version 12.0.0 and later
Information in this document applies to any platform.


A Payable invoice is entered. When the "Tax Calculation" button is pressed, an error message appears.

Payables could not calculate tax due to: An unexpected error has occurred.Please contact your system administrator.

An FND Log shows the following error:

ORA-00001: unique constraint (ZX.ZX_LINES_SUMMARY_U1)





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