How To Fix RSDME020 - Input field mapping refers to not existing model field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 020

• Message text: Input field mapping refers to not existing model field &1

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 RSDME020 - Input field mapping refers to not existing model field &1 ?

  The SAP error message RSDME020 indicates that there is an issue with the input field mapping in a data model, specifically that it refers to a field that does not exist in the model. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with data models, transformations, or data flows.
  Cause:
  
  Field Deletion: The field that is being referenced in the mapping has been deleted or renamed in the data model.
  Incorrect Mapping: The mapping configuration may have been set up incorrectly, pointing to a field that is not part of the current model.
  Model Changes: Changes in the underlying data model (like changes in InfoObjects, DataSources, or InfoProviders) that have not been reflected in the mapping.
  Transport Issues: If the model was transported from one system to another, there may be inconsistencies in the field definitions.
  
  Solution:
  
  Check Field Existence: Verify that the field referenced in the error message actually exists in the data model. You can do this by checking the model definition in the SAP BW or HANA studio.
  Update Mapping: If the field has been renamed or deleted, update the mapping to point to the correct field or remove the mapping if it is no longer needed.
  Recreate Mapping: If the mapping is incorrect, consider recreating it to ensure that it aligns with the current model structure.
  Transport Consistency: If the issue arose after a transport, ensure that all relevant objects were transported correctly and that there are no inconsistencies between the source and target systems.
  Check for Dependencies: Sometimes, fields may depend on other fields or objects. Ensure that all dependencies are intact and correctly configured.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to access the data model and check the mappings.
  Documentation: Refer to SAP documentation for detailed information on data modeling and field mapping in BW or HANA.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or support for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the RSDME020 error and implement the necessary corrections to resolve it.