Message type: E = Error
Message class: OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages
Message number: 556
Message text: Unit of measure &1 not valid for unit of measure group &2
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OD556
- Unit of measure &1 not valid for unit of measure group &2 ?The SAP error message OD556 indicates that a specific unit of measure (UoM) is not valid for the designated unit of measure group. This error typically arises when there is an attempt to use a unit of measure that is not included in the defined group for a particular material or product.
Cause: Incorrect Unit of Measure: The unit of measure being used is not part of the unit of measure group assigned to the material.
Configuration Issues: The unit of measure group may not be properly configured to include the required units. Data Entry Errors: There may be a typo or incorrect entry when specifying the unit of measure in transactions. Material Master Settings: The material master record may not have the correct unit of measure group assigned.
Solution: Check Unit of Measure Group: Go to the material master record (transaction code MM03) and check the unit of measure group assigned to the material. Verify that the unit
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