Update Tax Profile is Giving Error Page: You have Encountered an Unexpected Error. Please Contact Your System Administrator for Assistance (Doc ID 1915222.1)

Last updated on MARCH 07, 2017

Applies to:

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

Symptoms

In EBTAX,

Attempting to updated a Party Tax Profile and receive the following error:

You have encountered an unexpected error. Please contact the System Administrator for assistance.

"ORA-01427: single-row subquery returns more than one row"

Exception Details.  
oracle.apps.fnd.framework.OAException: oracle.jbo.SQLStmtException: JBO-27122: SQL error during statement preparation.

Steps to Reproduce:
Responsibility:  Tax Managers
Navigation:  Parties > Party Tax Profile > Third Party
Query a customer as party, Click Go
You get the party details with 'Update Tax Profile' link.
Clicking on update tax profile link is throwing an error page

The same happens when you query the same customer in Receivables
Responsibility:  Receivables
Navigation:  Customers > Customers
Enter the Account or Party name
Click on the Party Name / Customer name.
The same error appears.

This may have happened after enabling 'Allow Duplicate Tax Registration Numbers' at the tax level for Germany and Netherlands.
It seems to be affecting any customer with Germany and NL tax regimes at the party level and EBTax Update profile level.

Cause

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