Hi Tiago,
Thanks for the reply & for the suggestions.
Below are the answers to your questions......
1. When you open the Order View for the Purchase Requisition, do you see the Handling Resource assigned to the GR activity?
Ans: No, see below screen snap
2. Also, in /SAPAPO/REST02, please, display the Time Stream of the Resource and confirm whether there are entries during weekend.
Answer: No, there are no entries on weekends, please refer below screen snap.