How To Fix KEN_01028 - Unknown link "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: KEN_01 - Messages Created on Frontend PCs

• Message number: 028

• Message text: Unknown link "&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 KEN_01028 - Unknown link "&1" ?

  The SAP error message KEN_01028, which states "Unknown link '&1'", typically occurs in the context of SAP Controlling (CO) when there is an issue with a link or reference that the system cannot recognize. This error can arise in various scenarios, such as when trying to access a report, transaction, or when executing a program that relies on specific links or references.
  Causes:
  
  Invalid Link Reference: The link or reference specified in the transaction or report does not exist or has been deleted.
  Configuration Issues: There may be a configuration issue in the controlling area or related settings that leads to the system not recognizing the link.
  Authorization Issues: The user may not have the necessary authorizations to access the link or the related data.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the system from resolving the link correctly.
  
  Solutions:
  
  Check the Link: Verify that the link or reference you are trying to access is valid. Ensure that it has not been deleted or renamed.
  Review Configuration: Check the configuration settings in the controlling area or related modules to ensure everything is set up correctly.
  User Authorizations: Ensure that the user has the necessary authorizations to access the link. You may need to consult with your SAP security team to verify this.
  Data Consistency Check: Run data consistency checks in the relevant modules to identify and resolve any inconsistencies.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the error message and the context in which it occurs.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with the error message and context.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check transaction codes related to CO, such as KSB1 (Actual Line Items), KOB1 (Order Line Items), or others relevant to your specific scenario.
  SAP Notes: Search for SAP Notes related to KEN_01028 in the SAP Support Portal, as there may be specific patches or updates that address this issue.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to diagnose and resolve the KEN_01028 error in your SAP system.