How To Fix RSDME138 - Field &1 should be &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 138

• Message text: Field &1 should be &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME138 - Field &1 should be &2 ?

  The SAP error message RSDME138, which states "Field &1 should be &2," typically occurs in the context of data modeling or data extraction in SAP BW (Business Warehouse) or SAP HANA environments. This error indicates that there is a mismatch between the expected data type or format of a field and the actual data being processed.
  Cause:
  
  Data Type Mismatch: The field in question (&1) is expected to have a certain data type or format (&2), but the data being provided does not conform to this expectation. For example, a numeric field might be receiving character data.
  Incorrect Field Mapping: During data extraction or transformation, the mapping of fields may not align correctly, leading to this error.
  Inconsistent Data: The source data may contain unexpected values or formats that do not match the target schema.
  
  Solution:
  
  Check Data Types: Verify the data types of the fields in both the source and target systems. Ensure that they match as expected.
  Data Cleansing: If the source data contains invalid entries, consider cleansing the data to ensure it conforms to the expected format before loading it into the target system.
  Field Mapping Review: Review the field mappings in your data extraction or transformation process. Ensure that each field is correctly mapped to its corresponding target field.
  Transformation Logic: If you are using transformation rules, check the logic to ensure that it correctly handles the data types and formats.
  Debugging: Use debugging tools in SAP to trace the data flow and identify where the mismatch occurs. This can help pinpoint the exact location of the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to SAP BW or HANA documentation for guidelines on data modeling, field types, and best practices for data extraction and transformation.
  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 cause of the RSDME138 error and implement a solution to resolve it.