PO Approval Errors as ORA-04036: PGA Memory Used By The Instance Exceeds PGA_AGGREGATE_LIMIT

(Doc ID 2213016.1)

Last updated on SEPTEMBER 05, 2017

Applies to:

Oracle Purchasing - Version 12.2.5 and later
Information in this document applies to any platform.

Symptoms

Unable to approve purchase order form, as the form hangs after press "Approve" button

or

When attempting to submit the document for PO approval the following error occurs is observed in the workflow

ERROR
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ORA-04036: PGA memory used by the instance exceeds PGA_AGGREGATE_LIMIT

NOTIFY_REQUESTER (Sent Notification to Requester) #EXCEPTION -4030 ORA-04030: out of process memory when trying to allocate 16328 bytes (koh-kghu call ,pl/sql vc2/char) ORA-06500: PL/SQL: storage error ORA-04030: out of process memory when trying to allocate 16328 bytes (koh-kghu call ,pmucalm coll) Wf_Engine_Util.Function_Call(PO_COMMUNICATION_PVT.notify_requester, POAPPRV, 1362413-878220, 305125, RUN)

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Create a new PO and submit the document for approval
2. Could see that the approval workflow is errored

Cause

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