How To Fix RSDME222 - Select the model field to be unmapped

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 222

• Message text: Select the model field to be unmapped

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME222 - Select the model field to be unmapped ?

  The SAP error message RSDME222, which states "Select the model field to be unmapped," typically occurs in the context of SAP BW (Business Warehouse) when working with InfoObjects and data modeling. This error indicates that there is an issue with the mapping of fields in a data model, often related to the unmapping of fields that are no longer needed or incorrectly configured.
  Cause:
  
  Field Mapping Issues: The error usually arises when you attempt to unmap a field from a data model (like an InfoProvider or a transformation) without selecting a specific field to unmap.
  Incomplete Selection: The system expects you to specify which model field you want to unmap, but it seems that no field has been selected.
  Model Configuration: There may be inconsistencies or misconfigurations in the data model that need to be addressed.
  
  Solution:
  
  Select the Field: When you receive this error, ensure that you have selected the specific model field you wish to unmap. This is typically done in the modeling environment where you can see the list of mapped fields.
  Check Mapping Configuration: Review the mapping configuration to ensure that all fields are correctly mapped and that you are only trying to unmap fields that are indeed mapped.
  Use the Correct Transaction: Make sure you are using the correct transaction or application to perform the unmapping. Sometimes, using the wrong tool can lead to confusion.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly manage field mappings in your specific version of SAP BW.
  Check for Dependencies: Ensure that the field you are trying to unmap does not have dependencies or is not being used in other parts of the model.
  
  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.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Training and Documentation: If you are new to SAP BW, consider reviewing training materials or documentation that cover data modeling and field mapping in detail.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or a consultant who specializes in SAP BW for further assistance.