How To Fix RSM002 - Data type & is not known

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 002

• Message text: Data type & is not known

What causes this issue?

Data type &V1& is not known. The following types of data can be
requested:
<zh>D:</> Transaction data
<zh>H:</> Hierarchies (for master data)
<zh>M:</> Master data
<zh>T:</> Texts (language-independent for master data)

System Response

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

How to fix this error?

Change the data type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSM002 - Data type & is not known ?

  The SAP error message RSM002, which states "Data type & is not known," typically occurs in the context of data extraction or transformation processes, particularly when working with SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error indicates that the system has encountered a data type that it does not recognize or cannot process.
  Causes:
  
  Incorrect Data Type Definition: The data type specified in the InfoObject or data source may not be defined correctly or may not exist in the system.
  Missing or Incomplete Data Model: If the data model is incomplete or if there are missing components, the system may not be able to recognize certain data types.
  Transport Issues: If the data type was recently transported from another system and the transport did not include all necessary components, this error may occur.
  Version Compatibility: There may be compatibility issues between different versions of SAP systems, especially if the data type is specific to a certain version.
  Custom Developments: If there are custom developments or enhancements that reference a data type that is not standard or has been deleted, this error can arise.
  
  Solutions:
  
  Check Data Type Definition: Verify that the data type in question is correctly defined in the system. You can do this by checking the InfoObject or data source settings in the SAP BW/BI system.
  Recreate or Adjust Data Model: If the data model is incomplete, consider recreating or adjusting it to ensure all necessary components are included.
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included and successfully transported.
  System Compatibility: Ensure that the systems involved (development, quality assurance, production) are compatible and that any custom data types are available in all systems.
  Debugging: If you have access to debugging tools, you can trace the execution to identify where the error is occurring and gather more context about the data type in question.
  Consult Documentation: Review SAP documentation or notes related to the specific data type or the error message for additional insights or known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the RSM002 error in your SAP environment.