How To Fix 2Q027 - Domain link to domain &1 unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: 2Q - TMS Service Message Class

• Message number: 027

• Message text: Domain link to domain &1 unknown

What causes this issue?

The link to domain &V1& with system &V2& is not known.

System Response

The function terminates.

How to fix this error?

Check the connection data for the other system. Extensions of the
domain &V1& may not be known.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 2Q027 - Domain link to domain &1 unknown ?

  The SAP error message 2Q027 ("Domain link to domain &1 unknown") typically occurs in the context of SAP's data dictionary and domain management. This error indicates that there is a reference to a domain that is not recognized or does not exist in the system.
  Cause:
  
  Missing Domain: The domain specified in the error message (&1) does not exist in the SAP system. This could be due to a deletion or a transport issue where the domain was not transported correctly.
  Incorrect Configuration: There may be a configuration or coding error where a domain is referenced incorrectly.
  Transport Issues: If the domain was created in a development environment and not properly transported to the quality or production environment, it may lead to this error.
  Namespace Issues: The domain might be in a different namespace that is not accessible in the current context.
  
  Solution:
  
  Check Domain Existence: Verify if the domain mentioned in the error message exists in the system. You can do this by navigating to the Data Dictionary (transaction SE11) and checking for the domain.
  Create or Restore Domain: If the domain does not exist, you may need to create it or restore it from a transport request if it was deleted.
  Check Transport Requests: If the domain was supposed to be transported, check the transport logs to ensure that the transport was successful and that the domain is included in the transport request.
  Review Code/Configuration: If the domain exists, review the code or configuration that references the domain to ensure it is correct and that there are no typos or incorrect references.
  Namespace Check: Ensure that the domain is in the correct namespace and that your current user has access to it.
  
  Related Information:
  
  Transaction SE11: Use this transaction to access the Data Dictionary and check for domains.
  Transaction SE03: This transaction can be used to analyze transport requests and check for missing objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Authorization: Ensure that you have the necessary authorizations to view and manage domains in the SAP system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.