Action Check on Merging Sell Shipment

Summary:

Prevent Merging Sell shipment if the selected number of sell shipment is less than their related order_base primary buy shipments

Content (please ensure you mask any confidential information):

Prevent Merging Sell shipment if the selected number of sell shipment is less than their related order_base primary buy shipments

If the related sell shipment of a certain order base are 10 sell shipments and i want to merge them into one
then the related primary buy shipment of the same order base must be at least 10 prior the merging
and this the requirement as an action check on Merging Sell shipment.