Invoice Approval Using AME:

Not able to Initiate Approval Process for Invoice when an Approved Invoice is modified in the Distribution Lines keeping the total amount same such as Changing the Account # etc.

Below are the Steps.

Invoice is Approved using AME. say Invoice Header amount is $500
Lines Distribution Information is changed such as Adding Additional Lines / Changing Account Information etc but keeping the Total Header Amount as still at $500.
The Invocie Status has changed to Needs Validation
Actions-> Valadate
Status changed to Validated.
Approval -> Remains at workflow Approved.
Action-> Initiate Approval Button is greyed out

Since the $500 amount is already approved on this Invoice even though distribution information is changed the I wanted to resubmit the Invoice for Approval but the Initiate Approval Button is greyed out and Not able to resubmit.