How To Fix RSR_TRANS018 - Type '&1' is not allowed for TAG '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSR_TRANS -

• Message number: 018

• Message text: Type '&1' is not allowed for TAG '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSR_TRANS018 - Type '&1' is not allowed for TAG '&2' ?

  The SAP error message RSR_TRANS018 indicates that there is an issue with the data transfer process in SAP BW (Business Warehouse) or SAP BI (Business Intelligence). Specifically, it suggests that a certain type of data (denoted by '&1') is not allowed for a specific tag (denoted by '&2') during the data transfer or transformation process.
  Cause:
  
  
  Data Type Mismatch: The error often arises when there is a mismatch between the expected data type for a particular field and the actual data type being provided. For example, if a numeric field is expected but a character string is provided, this error may occur.
  
  
  Incorrect Configuration: The configuration of the data source or transformation may not align with the data being processed. This could be due to incorrect settings in the InfoObject, transformation rules, or data source settings.
  
  
  Incompatible Data: The data being loaded may contain values that are not compatible with the defined structure or rules of the target InfoProvider or InfoObject.
  
  
  Solution:
  
  
  Check Data Types: Review the data types defined in the InfoObjects and ensure that the data being loaded matches these types. If necessary, adjust the data source or transformation to ensure compatibility.
  
  
  Review Transformation Rules: Go through the transformation rules defined for the data transfer. Ensure that the mappings and rules are correctly set up and that they align with the data being processed.
  
  
  Validate Data Source: Check the data source for any inconsistencies or errors. Ensure that the data being extracted is in the correct format and adheres to the expected structure.
  
  
  Debugging: Use the SAP BW/BI debugging tools to trace the data flow and identify where the error is occurring. This can help pinpoint the exact transformation or data source causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional insights or updates that may address the issue.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this specific error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Data Modeling: Ensure that your data modeling practices are sound, and that InfoObjects, InfoProviders, and transformations are correctly defined and maintained.
  
  By following these steps, you should be able to identify the root cause of the RSR_TRANS018 error and implement a suitable solution.