Setting up of Supplier bank account as primary for a particular Site is not routing for approval

Summary:

Trying to set a the bank account on a Supplier site as Primary. Edited the Supplier details, set the bank account as primary > Save and Close > Submit. Change is not being routed for approval nor there is a pending change request when I go back to check the supplier profile. Other supplier profile with the same change has been successfully routed for approval.

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