How To Fix M8845 - Conversion of unit of measure & to & for mat. & & not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 845

• Message text: Conversion of unit of measure & to & for mat. & & not possible

What causes this issue?

It was not possible to convert various units of measure in the period
records into the current unit of measure for the material.

How to fix this error?

Check the entries in table T006 and the alternative unit of measure in
the material master record. If this does not help, inform your systems
administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8845 - Conversion of unit of measure & to & for mat. & & not possible ?

  The SAP error message M8845 indicates that there is an issue with the conversion of a unit of measure (UoM) for a specific material. This error typically arises when the system is unable to convert the specified unit of measure to the desired unit for a material in a transaction, such as during goods movement, inventory management, or when creating purchase orders.
  Causes:
  
  Missing Conversion Factors: The conversion factors between the two units of measure may not be defined in the system.
  Incorrect Unit of Measure: The unit of measure being used may not be valid for the material in question.
  Material Master Data Issues: The material master data may not be set up correctly, particularly in the Units of Measure view.
  Inconsistent UoM Settings: There may be inconsistencies in the unit of measure settings across different documents or transactions.
  Unit of Measure Group Issues: The unit of measure group assigned to the material may not