How To Fix RSDME420 - Define a model field of content type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 420

• Message text: Define a model field of content type &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME420 - Define a model field of content type &1 ?

  The SAP error message RSDME420, which states "Define a model field of content type &1," typically occurs in the context of SAP BW (Business Warehouse) when working with InfoObjects or when defining a data model. This error indicates that a required field in the model has not been defined with the appropriate content type.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Definition: The model field that is being referenced has not been defined in the system.
  Incorrect Content Type: The content type of the model field is not set correctly, or it does not match the expected type for the operation being performed.
  Model Configuration Issues: There may be issues with the configuration of the InfoProvider or the data model that is being used.
  
  Solution:
  To resolve the RSDME420 error, you can follow these steps:
  
  
  Check Model Definition:
  
  Go to the relevant transaction (e.g., RSA1 for Data Warehousing Workbench).
  Navigate to the InfoProvider or the data model where the error is occurring.
  Ensure that all required fields are defined correctly and that their content types are set appropriately.
  
  
  
  Define Missing Fields:
  
  If a field is missing, you may need to create it. Go to the InfoObject maintenance (transaction RSD1) and define the necessary InfoObject with the correct content type.
  
  
  
  Review Content Types:
  
  Verify that the content type of the model field matches the expected type. Common content types include:
  
  Character
  Key Figure
  Time
  Unit
  
  
  Adjust the content type if necessary.
  
  
  
  Check for Transport Issues:
  
  If the error occurred after a transport, ensure that all objects were transported correctly and that there are no missing dependencies.
  
  
  
  Re-activate the Model:
  
  Sometimes, re-activating the model or InfoProvider can resolve inconsistencies. You can do this in the Data Warehousing Workbench.
  
  
  
  Consult Documentation:
  
  If you are unsure about the content types or how to define them, refer to SAP documentation or help resources for guidance on InfoObject and model definitions.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSD1: InfoObject Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or BW support team for further assistance.