How To Fix RS_HCPR_MODEL203 - Cannot satisfy join condition due to data types ('&1' assigned to '&2')

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_HCPR_MODEL - Messages related to the HANA Composite Provider Backend

• Message number: 203

• Message text: Cannot satisfy join condition due to data types ('&1' assigned to '&2')

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_HCPR_MODEL203 - Cannot satisfy join condition due to data types ('&1' assigned to '&2') ?

  The SAP error message RS_HCPR_MODEL203 indicates that there is a problem with a join condition in a query or data model due to incompatible data types. Specifically, the error message states that the data types assigned to the fields being joined do not match, which prevents the join from being executed successfully.
  Cause:
  The error typically arises in the following scenarios:
  
  Mismatched Data Types: The fields you are trying to join have different data types. For example, one field might be of type CHAR while the other is of type NUMC.
  Inconsistent Data Model: If the data model has been altered (e.g., changes in the underlying database or data source), it may lead to inconsistencies in data types.
  Incorrect Data Source Configuration: If the data sources are not configured correctly, it can lead to mismatched data types.
  
  Solution:
  To resolve the RS_HCPR_MODEL203 error, you can take the following steps:
  
  
  Check Data Types:
  
  Review the data types of the fields involved in the join condition. You can do this by checking the data dictionary (SE11) or the data source definitions.
  Ensure that the data types are compatible. For example, if one field is a character type, the other should also be a character type.
  
  
  
  Modify the Query or Data Model:
  
  If you find that the data types are indeed different, you may need to modify the query or the data model to ensure that the fields being joined have compatible data types.
  You can use conversion functions (like CAST or CONVERT) in your SQL or query logic to align the data types.
  
  
  
  Adjust Data Source Configuration:
  
  If the issue is related to the configuration of the data sources, ensure that they are set up correctly and that the fields are defined with the correct data types.
  
  
  
  Test the Join:
  
  After making the necessary adjustments, test the join condition again to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the data types or how to modify them, refer to SAP documentation or consult with your SAP Basis or ABAP team for assistance.
  
  
  
  Related Information:
  
  Data Dictionary (SE11): Use this transaction to check the definitions of the fields involved in the join.
  ABAP Development: If you are familiar with ABAP, you can write a small program to check the data types of the fields dynamically.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Performance Considerations: Be aware that changing data types or using conversion functions can impact performance, so test the performance of your queries after making changes.
  
  By following these steps, you should be able to identify and resolve the cause of the RS_HCPR_MODEL203 error in your SAP environment.