Message type: E = Error
Message class:  DELGRP00 - JIT Outbound Delivery Groups 
Message number: 005
Message text: Goods Recipient &1 not in outbound delivery group &2
You tried to assign a delivery to an outbound delivery group.
This is not possible because otherwise several goods recipients
would be assigned to the outbound delivery group.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message DELGRP00005 indicates that a goods recipient specified in an outbound delivery is not included in the designated outbound delivery group. This error typically arises during the processing of outbound deliveries, particularly when trying to create or modify an outbound delivery that involves multiple goods recipients.
Cause: Incorrect Configuration: The goods recipient may not be properly configured in the outbound delivery group. Data Entry Error: There may be a mistake in the data entry where the goods recipient is not correctly assigned to the outbound delivery group. Master Data Issues: The master data for the goods recipient or the outbound delivery group may be incomplete or incorrect. Group Assignment: The goods recipient might not be assigned to the specific outbound delivery group in the system.
Solution: Check Outbound Delivery Group Configuration: Verify the configuration of the outbound delivery group in the system. Ensure that the goods recipient is included in the group. You can do this
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