How To Fix RSDHA185 - Missing runtime class '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 185

• Message text: Missing runtime class '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA185 - Missing runtime class '&1' ?

  The SAP error message RSDHA185, which states "Missing runtime class '&1'", typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data model or the runtime environment. This error indicates that the system is unable to find a required runtime class that is necessary for executing a particular operation, such as data extraction, transformation, or reporting.
  Causes:
  
  Missing or Incomplete Installation: The required runtime class may not be installed or may be incomplete. This can happen if there was an issue during the installation or upgrade of the SAP BW system.
  Transport Issues: If the runtime class was transported from another system and the transport was not successful, it may lead to this error.
  Incorrect Configuration: The configuration of the InfoProvider or the data model may be incorrect, leading to the system looking for a class that does not exist.
  Version Mismatch: There may be a version mismatch between the components of the SAP BW system, leading to incompatibility issues.
  
  Solutions:
  
  Check Installation: Verify that all necessary components and runtime classes are correctly installed. You may need to reinstall or repair the installation if something is missing.
  Transport Logs: Review the transport logs to ensure that all necessary objects were transported successfully. If there were errors, you may need to re-transport the missing objects.
  Rebuild the InfoProvider: If the error is related to a specific InfoProvider, try to rebuild or reconfigure it. This can sometimes resolve issues related to missing classes.
  Check for Notes: Look for SAP Notes related to this error message. SAP frequently releases notes that provide fixes or workarounds for known issues.
  System Restart: In some cases, a simple restart of the SAP system can resolve transient issues related to runtime classes.
  Consult Documentation: Review the SAP BW documentation for any specific requirements or dependencies related to the runtime classes.
  
  Related Information:
  
  SAP Notes: Search the SAP Support Portal for notes related to RSDHA185. These notes may provide specific fixes or additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they found effective.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to investigate the classes and objects in your SAP system.
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.