How To Fix RSANA_UMM_API263 - Class &1 has not been generated

SAP Error Message - Details

• Message type: E = Error

• Message class: RSANA_UMM_API - UMM API Messages

• Message number: 263

• Message text: Class &1 has not been generated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSANA_UMM_API263 - Class &1 has not been generated ?

  The SAP error message RSANA_UMM_API263 indicates that a specific class (denoted by &1) has not been generated in the context of the SAP system's data model or reporting framework. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA when there are issues with the generation of classes related to data models, InfoObjects, or other reporting components.
  Cause:
  
  
  Missing Class Generation: The class that is supposed to be generated for a particular InfoObject or data model has not been created. This can happen due to various reasons, such as:
  
  Incomplete or failed activation of the InfoObject or data model.
  Changes made to the data model that require regeneration of classes.
  System inconsistencies or errors during the transport of objects.
  
  
  
  Transport Issues: If the object was transported from one system to another (e.g., from development to production), the transport might not have included all necessary components.
  
  
  Authorization Issues: Lack of proper authorizations to generate or activate classes can also lead to this error.
  
  
  Solution:
  
  
  Check Activation Status: 
  
  Go to the relevant transaction (e.g., RSA1 for BW) and check the activation status of the InfoObject or data model. If it is not activated, activate it.
  
  
  
  Regenerate Classes:
  
  Use transaction SE80 or SE11 to manually regenerate the class. You can also use the transaction code RSU1 to regenerate the classes for InfoObjects.
  
  
  
  Check for Errors:
  
  Look for any error messages in the activation log or in the transport logs that might indicate why the class was not generated.
  
  
  
  Transport Check:
  
  If the issue is related to a transport, ensure that all necessary objects were included in the transport request and that the transport was successfully imported.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to perform the activation and generation of classes.
  
  
  
  System Consistency Check:
  
  Run consistency checks in the BW system to identify and resolve any inconsistencies that might be causing the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  SE80: Object Navigator
  SE11: Data Dictionary
  RSU1: Regenerate InfoObject Classes
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Review the SAP Help documentation for BW or HANA for more information on class generation and activation processes.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or BW team for further investigation.