How To Fix /PM0/3FWM_TOOL016 - Type assignments are only allowed in attribute lists

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FWM_TOOL -

• Message number: 016

• Message text: Type assignments are only allowed in attribute lists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FWM_TOOL016 - Type assignments are only allowed in attribute lists ?

  The SAP error message /PM0/3FWM_TOOL016: Type assignments are only allowed in attribute lists typically occurs in the context of working with the SAP BW (Business Warehouse) or SAP HANA modeling environments. This error indicates that there is an issue with how types are being assigned in your data model, particularly in the context of attribute lists.
  Cause:
  
  
  Incorrect Type Assignment: The error usually arises when you attempt to assign a data type to a field or attribute outside of the allowed context. In SAP BW or HANA modeling, type assignments should only be made within attribute lists, and not in other contexts such as data flows or transformations.
  
  
  Modeling Errors: It can also occur due to incorrect modeling practices, such as trying to define types in a way that is not supported by the system.
  
  
  Version Compatibility: Sometimes, the error can be related to compatibility issues between different versions of SAP or the tools being used.
  
  
  Solution:
  
  
  Check Attribute Lists: Ensure that any type assignments you are making are done within the appropriate attribute lists. Review your data model and confirm that you are following the correct structure.
  
  
  Review Data Flow: If you are working with data flows or transformations, ensure that you are not trying to assign types in those contexts. Instead, focus on defining types in the attribute lists of your InfoObjects or data models.
  
  
  Modeling Guidelines: Refer to the SAP documentation or guidelines for the specific version you are using. This can provide insights into the correct practices for type assignments.
  
  
  Recreate the Model: If the error persists, consider recreating the model or the specific component that is causing the issue. Sometimes, starting fresh can resolve underlying issues that are not immediately apparent.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that might address this specific error. There may be patches or updates that resolve known issues.
  
  
  Seek Help from SAP Community: If you are unable to resolve the issue, consider reaching out to the SAP Community or forums where other users may have encountered and resolved similar issues.
  
  
  Related Information:
  
  SAP BW Modeling: Understanding the principles of data modeling in SAP BW can help prevent such errors. Familiarize yourself with InfoObjects, DataStore Objects (DSOs), and InfoCubes.
  SAP HANA Modeling: If you are using SAP HANA, ensure you are aware of the specific modeling techniques and best practices for HANA, as they may differ from BW.
  Documentation: Always refer to the official SAP documentation for the version you are using, as it provides detailed information on modeling practices and error handling.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.