How To Fix 1X021 - Enter a nonexistent link type

SAP Error Message - Details

• Message type: E = Error

• Message class: 1X - General hierarchy maintenance tool message

• Message number: 021

• Message text: Enter a nonexistent link type

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 1X021 - Enter a nonexistent link type ?

  The SAP error message "1X021 Enter a nonexistent link type" typically occurs in the context of SAP's data modeling or integration processes, particularly when working with data sources, data flows, or link types in SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  The error message indicates that the system is unable to recognize the link type you are trying to use. This can happen due to several reasons:
  
  Typographical Error: The link type entered may contain a typo or may not match any existing link types in the system.
  Configuration Issues: The link type may not be properly configured or may have been deleted or deactivated in the system.
  Version Compatibility: The link type may not be supported in the version of SAP you are using.
  Authorization Issues: The user may not have the necessary permissions to access certain link types.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check for Typos: Verify that the link type you entered is correct and does not contain any spelling mistakes.
  Review Configuration: 
  
  Go to the relevant configuration settings in SAP and check if the link type exists.
  If it has been deleted or deactivated, you may need to recreate or reactivate it.
  
  
  Consult Documentation: Refer to the SAP documentation or help files to ensure that the link type you are trying to use is valid and supported in your version of SAP.
  User Permissions: Ensure that your user account has the necessary permissions to access the link types you are trying to use. You may need to contact your system administrator for assistance.
  System Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Training and Documentation: If you are new to SAP BW or HANA, consider reviewing training materials or documentation that cover data modeling and link types to better understand how they work.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.