How To Fix RSB_GUI021 - Error while saving open hub destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSB_GUI - Open Hub Destination - GUI

• Message number: 021

• Message text: Error while saving open hub destination &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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSB_GUI021 - Error while saving open hub destination &1 ?

  The SAP error message RSB_GUI021, which states "Error while saving open hub destination &1," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with saving an Open Hub Destination. This error can arise due to various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to create or modify Open Hub Destinations.
  Incorrect Configuration: There may be incorrect settings or parameters in the Open Hub Destination configuration.
  Data Target Issues: The data target specified in the Open Hub Destination may not be correctly defined or may not exist.
  Technical Errors: There could be underlying technical issues, such as database connectivity problems or system inconsistencies.
  Missing or Incorrect Fields: Required fields in the Open Hub Destination configuration may be missing or incorrectly filled out.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to create or modify Open Hub Destinations. This can be done by checking the user's roles and authorizations in the SAP system.
  Review Configuration: Go through the configuration of the Open Hub Destination to ensure that all required fields are filled out correctly and that the settings are appropriate.
  Validate Data Target: Verify that the data target specified in the Open Hub Destination exists and is correctly configured. Check if the data target is active and accessible.
  Check System Logs: Look at the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Test Connectivity: If the Open Hub Destination is supposed to connect to an external system, ensure that the connectivity is working properly. Test the connection to the external system if applicable.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to access Open Hub Destination settings.
  Documentation: Refer to SAP Help documentation for Open Hub Destination configuration for detailed guidelines and best practices.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.