How To Fix RSDME150 - None of the model fields are mapped

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 150

• Message text: None of the model fields are mapped

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME150 - None of the model fields are mapped ?

  The SAP error message RSDME150, which states "None of the model fields are mapped," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with data models, especially when trying to create or activate a data model or a query.
  Cause:
  This error usually arises due to one of the following reasons:
  
  Unmapped Fields: The fields in the data model (like InfoObjects in BW) are not properly mapped to the corresponding fields in the source data or the target data structure.
  Model Configuration Issues: There may be issues in the configuration of the data model, such as missing or incorrect settings in the data source or transformation.
  Data Source Issues: The data source may not be correctly defined or may not contain the necessary fields that need to be mapped.
  Inconsistent Data Types: There may be inconsistencies in data types between the source and target fields, leading to mapping failures.
  
  Solution:
  To resolve the RSDME150 error, you can follow these steps:
  
  
  Check Field Mapping:
  
  Go to the data model or transformation where the error is occurring.
  Verify that all required fields are mapped correctly. Ensure that each field in the target model has a corresponding field in the source.
  
  
  
  Review Data Source:
  
  Ensure that the data source is correctly defined and that it contains all the necessary fields.
  If you are using a DataSource from a source system, check if the DataSource is active and correctly configured.
  
  
  
  Adjust Model Configuration:
  
  If you are using a CompositeProvider or a Calculation View, check the configuration settings to ensure that all necessary fields are included and mapped.
  Make sure that the model is activated after making changes.
  
  
  
  Check Data Types:
  
  Ensure that the data types of the mapped fields are compatible. If there are discrepancies, adjust the data types accordingly.
  
  
  
  Re-activate the Model:
  
  After making the necessary changes, re-activate the data model or transformation to see if the error persists.
  
  
  
  Consult Documentation:
  
  If the issue continues, refer to SAP documentation or community forums for additional insights or similar issues encountered by other users.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered and resolved similar issues.
  Training and Documentation: Review SAP training materials or documentation related to data modeling in BW or HANA for best practices on field mapping and model configuration.
  
  By following these steps, you should be able to identify and resolve the cause of the RSDME150 error in your SAP environment.