R12: AP: After Validated Invoices Are Deleted, Orphan Accounting Events Are Created in Subledger Accounting Tables (Doc ID 456619.1)

Symptoms

Validated invoices can be deleted from the Invoice Workbench (APXINWKB) if any action is taken to change the Status = Validated  i.e.  Adjust the invoice or hold is created for invoice, Status = Needs Revalidation or Cancel the invoice, Status = Canceled. 
When invoices that were once validated are deleted, the accounting events created during validation for those deleted invoices become orphan accounting events that will prevent the period the event was created in from being closed.

Steps to reproduce the issue:

1. (N) > Invoices

2. Invoice> Enter > Invoice

3. (B) Actions...1 Validate

4. Delete the invoice (M) > (B) Delete

Cause

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