How To Fix ISX_MD_COL008 - Field SELECTION must contain 'STRING' or 'NUMBER' or 'DATE'

SAP Error Message - Details

• Message type: E = Error

• Message class: ISX_MD_COL - Common Object Layer for master data replication

• Message number: 008

• Message text: Field SELECTION must contain 'STRING' or 'NUMBER' or 'DATE'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISX_MD_COL008 - Field SELECTION must contain 'STRING' or 'NUMBER' or 'DATE' ?

  The SAP error message ISX_MD_COL008 indicates that there is an issue with the field selection criteria in a query or data extraction process. Specifically, it states that the field selection must contain a valid data type, which can be 'STRING', 'NUMBER', or 'DATE'. This error typically arises when the system encounters an invalid or unsupported data type in the selection criteria.
  Cause:
  
  Invalid Data Type: The field selection criteria may include a data type that is not recognized by SAP, such as a custom or unsupported type.
  Incorrect Configuration: The configuration of the data model or query may not align with the expected data types.
  Typographical Errors: There may be a typo in the field selection criteria, leading to an invalid specification.
  Incompatible Field Types: The fields being selected may not match the expected types defined in the data model.
  
  Solution:
  
  Check Field Selection Criteria: Review the field selection criteria in your query or data extraction process. Ensure that all specified fields are of the correct data types ('STRING', 'NUMBER', or 'DATE').
  Correct Data Types: If you find any fields that are not of the expected types, modify them to match the required data types.
  Review Configuration: Ensure that the configuration of the data model or query is correct and that it aligns with the expected data types.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the correct usage of field selection criteria.
  Test with Simple Queries: If you're unsure about the data types, try running simpler queries with known valid field selections to isolate the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Data Model Documentation: Review the documentation for the specific data model you are working with to understand the expected field types.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  Debugging Tools: Use SAP debugging tools to trace the execution of the query and identify where the error is occurring.
  
  By following these steps, you should be able to identify and resolve the cause of the ISX_MD_COL008 error message in SAP.