How To Fix CM_EHENV_CDEF_CHK021 - Source of input variable "&1" does not match the expected data source

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHENV_CDEF_CHK -

• Message number: 021

• Message text: Source of input variable "&1" does not match the expected data source

What causes this issue?

You have created a calculation using an equation from a compliance
requirement. In the calcualtion setup, you have incorrectly defined an
input variable of an expression. The data source of your input variable
does not match the data source of the equation defined in the compliance
requirement. Make sure the input variable data sources match the data
sources of their corresponding variables, as defined in the compliance
requirement equations.

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?

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 CM_EHENV_CDEF_CHK021 - Source of input variable "&1" does not match the expected data source ?

  The SAP error message CM_EHENV_CDEF_CHK021 indicates that there is a mismatch between the source of an input variable and the expected data source in the context of a data model or environment configuration. This error typically arises in scenarios involving data extraction, transformation, or reporting where the system expects a specific data source format or structure.
  Cause:
  
  Mismatch in Data Source: The input variable is being sourced from a different data source than what is defined in the environment or model configuration.
  Incorrect Variable Mapping: The variable may be incorrectly mapped to a data source that does not align with the expected structure or type.
  Changes in Data Model: If there have been recent changes to the data model or environment configuration, it may lead to inconsistencies in variable definitions.
  Data Source Configuration: The data source itself may not be properly configured or may have been altered, leading to a mismatch.
  
  Solution:
  
  Check Variable Configuration: Review the configuration of the input variable in the data model or environment settings. Ensure that it is correctly mapped to the intended data source.
  Verify Data Source: Confirm that the data source being used is the correct one and that it matches the expected structure and type defined in the environment.
  Update Data Model: If there have been changes to the data model, ensure that all variables and their mappings are updated accordingly.
  Test with Sample Data: Run tests with sample data to see if the error persists. This can help isolate whether the issue is with specific data or the configuration itself.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or functionality you are working with for any known issues or additional troubleshooting steps.
  Engage SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Transaction Codes: Familiarize yourself with transaction codes related to data modeling and environment configuration, such as RSA1 for Data Warehousing or RSD1 for InfoObjects.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.