Clear Receipt Accrual Balances Automatically by Rule is not working

Summary:

We have created Accrual clearing account rule with the condition as "AccrualLine.PO Status.toUpperCase() is "Closed"

with Action as assert new: ClearAccruals

After saving the rule and running Clear Receipt Accrual Balances, the balances still exists as is.

Please let us know how to clear the balances which has "PO Status is Closed and Accrual Adjustment is Zero"

FYI~ Attached is the rule created and the balances

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):