How To Fix R7B652 - Characteristic &1: Base unit of measure &2 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 652

• Message text: Characteristic &1: Base unit of measure &2 is not allowed

What causes this issue?

The characteristic &V1& uses &V2&as the basis unit of measure. This is
not possible.

System Response

The characteristic &V1& is inconsistent.

How to fix this error?

Select a different unit that references 0UNIT.

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message R7B652 - Characteristic &1: Base unit of measure &2 is not allowed ?

  The SAP error message R7B652 indicates that there is an issue with the base unit of measure for a characteristic in the context of SAP's classification system, particularly in the Material Management (MM) or Product Lifecycle Management (PLM) modules. This error typically arises when the base unit of measure assigned to a characteristic is not compatible with the expected values or settings in the system.
  Cause:
  
  Incompatible Unit of Measure: The base unit of measure (UoM) assigned to the characteristic is not allowed for the specific context in which it is being used. This could be due to configuration settings that restrict certain units of measure for specific characteristics.
  Configuration Issues: The characteristic may have been defined with a base unit of measure that does not align with the allowed units of measure in the classification or material master settings.
  Data Entry Errors: There may be a mistake in the data entry where an incorrect unit of measure was assigned to the characteristic.
  
  Solution:
  
  
  Check Characteristic Configuration:
  
  Go to the transaction code CT04 (Characteristic Maintenance) and check the configuration of the characteristic that is causing the error.
  Ensure that the base unit of measure assigned to the characteristic is valid and allowed for the intended use.
  
  
  
  Review Allowed Units of Measure:
  
  Check the allowed units of measure for the characteristic in the classification system. You can do this by navigating to the classification settings and reviewing the relevant characteristics.
  If necessary, modify the allowed units of measure to include the base unit of measure that you are trying to use.
  
  
  
  Adjust Material Master Data:
  
  If the error is related to a specific material, check the material master data using transaction code MM03 (Display Material) to ensure that the base unit of measure is correctly defined and compatible with the characteristic.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to classification and units of measure to understand the specific requirements and restrictions.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and data, consider reaching out to SAP support for further assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CT04: Characteristic Maintenance
  MM03: Display Material
  CL02: Class Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it.