How To Fix SDDL_PARSER_MSG370 - No comparison of two source columns in directory association ON condition

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 370

• Message text: No comparison of two source columns in directory association ON condition

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG370 - No comparison of two source columns in directory association ON condition ?

  The SAP error message SDDL_PARSER_MSG370 indicates that there is an issue with the ON condition in a directory association within the SAP system. Specifically, it means that there is no valid comparison between two source columns in the ON condition of the association. This typically occurs in the context of data modeling or when defining associations between different data sources in SAP HANA or SAP BW.
  Cause:
  
  Mismatched Data Types: The columns being compared in the ON condition may have different data types, which prevents a valid comparison.
  Missing Columns: One or both of the columns specified in the ON condition may not exist in the respective data sources.
  Incorrect Syntax: There may be a syntax error in the ON condition that prevents the parser from correctly interpreting the comparison.
  Logical Errors: The logic of the comparison may not make sense, such as trying to compare a numeric column with a string column.
  
  Solution:
  
  Check Data Types: Ensure that the data types of the columns being compared are compatible. If necessary, you may need to cast one of the columns to match the data type of the other.
  Verify Column Existence: Double-check that both columns exist in the respective data sources and are correctly referenced in the ON condition.
  Review Syntax: Look for any syntax errors in the ON condition. Ensure that the condition is written correctly according to the syntax rules of the SAP system you are using.
  Logical Validation: Reassess the logic of the comparison to ensure that it makes sense in the context of your data model.
  Testing: After making the necessary adjustments, test the association again to see if the error persists.
  
  Related Information:
  
  Documentation: Refer to the SAP documentation for data modeling and associations to understand the correct syntax and requirements for defining ON conditions.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  Debugging Tools: Utilize any debugging tools available in your SAP environment to trace the error and gather more context about the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the SDDL_PARSER_MSG370 error in your SAP system.