How To Fix RSAR348 - No field mapping to the DataSource was found

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 348

• Message text: No field mapping to the DataSource was found

What causes this issue?

To be able to process the contents of a data source in BW, the
assignment of fields for the data source to BW InfoObjects has to be
maintained.

System Response

Processing has been terminated.

How to fix this error?

Assign the corresponding BW InfoObjects to the data source fields in the
InfoSource maintenance.

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 RSAR348 - No field mapping to the DataSource was found ?

  The SAP error message RSAR348 indicates that there is no field mapping defined for a DataSource in the context of SAP BW (Business Warehouse) or SAP Data Services. This error typically occurs when you are trying to load data from a source system into SAP BW, and the system cannot find the necessary field mappings to transform the data correctly.
  Cause
  The error can be caused by several factors:
  
  Missing Field Mapping: The DataSource may not have any field mappings defined, which means that the system does not know how to map the fields from the source to the target.
  Incorrect DataSource Configuration: The DataSource might not be configured correctly, leading to a lack of field definitions.
  Changes in Source Structure: If the structure of the source data has changed (e.g., fields added or removed), the existing mappings may no longer be valid.
  Transport Issues: If the DataSource was transported from one system to another, the field mappings may not have been included in the transport.
  
  Solution
  To resolve the RSAR348 error, you can take the following steps:
  
  
  Check Field Mapping:
  
  Go to the DataSource in the SAP BW system (transaction code RSA1).
  Navigate to the DataSource and check the field mapping settings.
  Ensure that all necessary fields from the source are mapped to the corresponding fields in the target.
  
  
  
  Define Field Mappings:
  
  If no mappings exist, you will need to create them. This can be done in the DataSource maintenance screen.
  Map the fields from the source structure to the target structure as required.
  
  
  
  Validate DataSource:
  
  Validate the DataSource to ensure that it is correctly configured. You can do this by using the "Check" function in the DataSource maintenance.
  
  
  
  Check for Changes in Source Structure:
  
  If the source structure has changed, update the DataSource accordingly. You may need to adjust the mappings to reflect the new structure.
  
  
  
  Transport Issues:
  
  If the DataSource was transported, ensure that all related objects, including field mappings, were included in the transport request.
  
  
  
  Re-activate DataSource:
  
  Sometimes, re-activating the DataSource can help. You can do this by selecting the DataSource and choosing the "Activate" option.
  
  
  
  Related Information
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSO2: DataSource Maintenance
  
  
  Documentation: Refer to SAP Help documentation for detailed guidance on DataSource configuration and field mapping.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to your version of SAP BW.
  
  By following these steps, you should be able to resolve the RSAR348 error and ensure that your DataSource is correctly configured for data loading.