How To Fix RSRV438 - Unknown error during conversion of characteristic values

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRV -

• Message number: 438

• Message text: Unknown error during conversion of characteristic values

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRV438 - Unknown error during conversion of characteristic values ?

  The SAP error message RSRV438, which states "Unknown error during conversion of characteristic values," typically occurs in the context of data extraction or transformation processes in SAP BW (Business Warehouse). This error can arise during the loading of data into InfoProviders or during the execution of queries.
  Causes:
  
  Data Type Mismatch: The characteristic values being processed may not match the expected data types. For example, if a numeric field is being treated as a string, this can lead to conversion errors.
  Invalid Characteristic Values: There may be invalid or unexpected values in the data that cannot be converted to the expected format.
  Missing Master Data: If the characteristic values being processed do not have corresponding entries in the master data tables, this can lead to conversion issues.
  Data Source Issues: Problems with the data source, such as incorrect configurations or issues with the extraction process, can also lead to this error.
  Transformation Rules: Incorrect or incomplete