Shipment Grouping Error Due to Ship-From Location Code Mismatch

Summary:

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this documentation states ship from org should be same for grouping orders into a single shipment. 

However, in our business we changed ship from location code associated with the ship from org. There were existing orders which used the old ship from location code.

Can't we group the order1 (ship from org is same but ship from location code is A) and order 2 (ship from org is same but ship from location code is B) into a single shipment?

When we check we run into the error --> "These entities cannot be grouped because their grouping attributes do not match."