How To Fix KFM120 - The key figure cannot be written

SAP Error Message - Details

• Message type: E = Error

• Message class: KFM - Message Class for Generic Key Figure Monitor

• Message number: 120

• Message text: The key figure cannot be written

What causes this issue?

The system cannot write the key figure value. Key figure values can only
be updated to administrator key figures if these cannot be personalized.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Set the <LS>Cannot be Personalized</> indicator, or update the key
figure value to a user key figure.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KFM120 - The key figure cannot be written ?

  The SAP error message KFM120, which states "The key figure cannot be written," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an issue with data processing or data loading into InfoProviders, such as InfoCubes or DataStore Objects (DSOs). Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Data Type Mismatch: The data being loaded may not match the expected data type of the key figure in the InfoProvider.
  Key Figure Characteristics: The key figure may be defined as read-only or may have restrictions that prevent it from being updated.
  Data Source Issues: The data source from which the data is being loaded may have issues, such as missing or incorrect data.
  Authorization Issues: The user executing the data load may not have the necessary authorizations to write to the key figure.
  Data Integrity Constraints: There may be constraints or rules defined in the InfoProvider that prevent the data from being written.
  Incorrect Aggregation Level: If the data is being loaded at an incorrect aggregation level, it may lead to this error.
  
  Solutions:
  
  Check Data Types: Ensure that the data being loaded matches the data type defined for the key figure in the InfoProvider.
  Review Key Figure Settings: Check the settings of the key figure in the InfoProvider to ensure it is not set to read-only or has no restrictions.
  Validate Data Source: Verify the data source for any issues, such as missing or incorrect data, and correct them as necessary.
  Check Authorizations: Ensure that the user has the necessary authorizations to write to the key figure. This may involve checking roles and permissions in the SAP system.
  Review Data Integrity Rules: Check for any data integrity constraints that may be preventing the data from being written and adjust them if necessary.
  Adjust Aggregation Level: Ensure that the data is being loaded at the correct aggregation level as defined in the InfoProvider.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to analyze InfoProviders and data flows.
  Logs and Traces: Check the logs and traces for more detailed error messages that can provide additional context for the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to KFM120.
  Documentation: Review SAP documentation related to data loading and InfoProvider configuration for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation.