How To Fix RSOBI_MF223 - No main field found; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOBI_MF - Messages for SOBI Model Factory

• Message number: 223

• Message text: No main field found; see long text

What causes this issue?

You tried to determine the field of the DataSource that can be assigned
to the InfoObject to be generated or re-used. No suitable field of the
DataSource was found.

System Response

The data flow for generation could not be completed successfully.

How to fix this error?

Check the fields of the DataSource. There might not be any fields or
possibly all the other fields correspond semantically to the language
key, correspond to the short, medium and long text, or are used for the
upper and lower limits of the date.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSOBI_MF223 - No main field found; see long text ?

  The SAP error message RSOBI_MF223 "No main field found; see long text" typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with the data model or the InfoObject configuration. This error indicates that the system is unable to find a main field that is required for processing the data.
  Cause:
  
  Missing Main Field: The main field that is expected in the data model or InfoObject is not defined or is missing.
  Incorrect Configuration: The InfoObject or data source may not be configured correctly, leading to the absence of the required main field.
  Data Source Issues: The data source from which the data is being extracted may not have the necessary fields defined.
  Transformation Issues: If there are transformations involved, they may not be set up correctly to map the fields properly.
  
  Solution:
  
  
  Check InfoObject Configuration:
  
  Go to the InfoObject in the SAP BW system and verify that the main field is defined correctly.
  Ensure that the field is marked as a key field if it is supposed to be one.
  
  
  
  Review Data Source:
  
  Check the data source configuration to ensure that it includes the necessary fields.
  If the data source is based on a query or a table, ensure that the main field is present in the underlying data structure.
  
  
  
  Examine Transformations:
  
  If you are using transformations, review them to ensure that the mapping of fields is correct and that the main field is being populated as expected.
  
  
  
  Check for Updates:
  
  Ensure that your SAP BW system is up to date with the latest patches and updates, as sometimes bugs can cause such issues.
  
  
  
  Consult Long Text:
  
  The error message suggests checking the long text for more details. You can do this by navigating to the error message in the SAP GUI and reading the long text for additional context or specific instructions.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the data load process to identify where the main field is being lost or not populated.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any known issues or fixes.
  Documentation: Refer to SAP BW documentation for detailed information on InfoObjects, data sources, and transformations.
  Community Forums: Engage with SAP community forums or support channels for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the RSOBI_MF223 error in your SAP BW environment.