How To Fix UJO_WB_EXCEPTION020 - Error getting dimension list from InfoCube

SAP Error Message - Details

• Message type: E = Error

• Message class: UJO_WB_EXCEPTION - Message Class for Write-Back

• Message number: 020

• Message text: Error getting dimension list from InfoCube

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 UJO_WB_EXCEPTION020 - Error getting dimension list from InfoCube ?

  The SAP error message UJO_WB_EXCEPTION020 typically indicates an issue with retrieving the dimension list from an InfoCube in the context of SAP BW (Business Warehouse) or SAP BW/4HANA. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting.
  Possible Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to access the InfoCube or its dimensions.
  InfoCube Activation: The InfoCube might not be activated or could be in a state that prevents it from being accessed.
  Data Model Changes: Recent changes to the data model, such as modifications to the InfoCube or its dimensions, may not have been properly reflected in the system.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or inconsistencies in the metadata.
  Transport Issues: If the InfoCube was transported from one system to another, there might be inconsistencies or missing objects in the target system.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the InfoCube and its dimensions. This can be done by reviewing the user's roles and authorizations in the SAP system.
  Activate the InfoCube: If the InfoCube is not activated, activate it using the Data Warehousing Workbench (transaction RSA1) or the relevant transaction for InfoCube management.
  Refresh Metadata: If there have been changes to the InfoCube, refresh the metadata. This can be done by reactivating the InfoCube or using the "Check" function in the Data Warehousing Workbench.
  Check for Technical Issues: Investigate any technical issues that may be affecting the system. This includes checking database connections, reviewing system logs, and ensuring that all necessary services are running.
  Review Transport Logs: If the InfoCube was recently transported, check the transport logs for any errors or warnings that may indicate missing objects or inconsistencies.
  Consult SAP Notes: Search for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSD1 (InfoObject Maintenance), and RSMO (Monitor Data Load).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to InfoCubes and data modeling in BW for best practices and troubleshooting tips.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or consult with SAP support for further assistance.