Message type: E = Error
Message class: CMMD -
Message number: 028
Message text: Article & is already assigned to hierarchy node &
The article is already assigned to a hierarchy node. An article can be
assigned to a hierarchy only once.
The article is not assigned.
You can reassign the article from its original node to the new node.
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.
CMMD028
- Article & is already assigned to hierarchy node & ?The SAP error message CMMD028 indicates that an article (material) is already assigned to a specific hierarchy node in the classification system. This typically occurs when you attempt to assign the same article to a hierarchy node that it is already associated with, which is not allowed in SAP.
Cause: Duplicate Assignment: The article you are trying to assign is already linked to the specified hierarchy node. Incorrect Hierarchy Structure: The hierarchy structure may not be set up correctly, leading to confusion about the assignment. User Error: The user may not be aware that the article is already assigned to the node.
Solution: Check Existing Assignments: Navigate to the classification view of the article in question and check its current assignments to see if it is already linked to the hierarchy node. Remove Existing Assignment: If you need to assign the article to a different node, first remove it from the current node before making the new assignment. Use Transaction
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