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Message type: E = Error
Message class: M8 - Invoice Verification/Valuation
Message number: 849
Message text: Unit of meas. & of material & & not valid for pool &
The unit of measure of the material differs from that of the pool.
For the "quantity LIFO" procedure, all materials included in a pool
must have the unit of measurement of the pool as base unit or
alternative unit.
Change the pool allocation in the master record of material &V3&.
Alternatively, enter the unit of measurement of the pool in the master
record of this material.
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.
M8849
- Unit of meas. & of material & & not valid for pool & ?The SAP error message M8849 indicates that there is an issue with the unit of measure (UoM) for a specific material in a particular pool. This error typically arises in the context of inventory management, material management, or production planning when the system cannot find a valid unit of measure for the material in the specified context.
Cause:
- Invalid Unit of Measure: The unit of measure assigned to the material is not valid for the specified pool (e.g., storage location, plant, or other organizational units).
- Configuration Issues: The unit of measure may not be properly configured in the material master data.
- Missing Entries: There may be missing entries in the unit of measure table for the material in question.
- Incorrect Material Type: The material type may not support the specified unit of measure.
Solution:
Check Material Master Data:
- Go to the material master record (transaction code
MM03
).- Verify the unit of measure settings under the relevant views (Basic Data, Purchasing, Sales, etc.).
- Ensure that the unit of measure is correctly defined and valid for the material.
Review Unit of Measure Configuration:
- Check the configuration settings for units of measure in the SAP system (transaction code
OMN3
).- Ensure that the unit of measure is defined in the system and is valid for the material type and plant.
Update Material Master:
- If the unit of measure is incorrect or missing, update the material master with the correct unit of measure.
- Use transaction code
MM02
to make the necessary changes.Check Pool Configuration:
- If the error is related to a specific pool (like a storage location), ensure that the pool is correctly configured to accept the unit of measure for the material.
Consult Documentation:
- Review SAP documentation or help resources for additional guidance on unit of measure issues.
Related Information:
MM03
: Display Material MasterMM02
: Change Material MasterOMN3
: Maintain Units of MeasureIf the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in material management.
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