INVTOTRX: Move Order Allocation Error ORA-01427 "Single-row sub query returns more than one row"

(Doc ID 1637020.1)

Last updated on NOVEMBER 06, 2015

Applies to:

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

Symptoms

On : 12.1.3 version, Inventory Transactions

When user trying to Transact the Move Order after its Allocation System shows Error "Single row sub query returns more then one row". Turned off custom code but still facing same error.

ERROR
-----------------------
ORA-01427: single-row subquery returns more than one row
--------------------------------------------------------------
FRM-40735: WHEN-BUTTON-PRESSED trigger raised unhandled exception ORA-01427

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1.Go to transact move order form
2. Try to View / Update Allocations

Issue happens when there are more than one lot allocated to a single move order line.

This can happen when there is a single lot, in two locations.
This can happen when there are multiple lots across multiple locations.
When the allocation is fulfulled from one locator, there is no error and you can transact the move order line.

Cause

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