How To Fix 28508 - Error processing dependency &1: instance &2 not known

SAP Error Message - Details

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 508

• Message text: Error processing dependency &1: instance &2 not known

What causes this issue?

When a dependency was read, an object which does not exist in the
configuration was called.

System Response

The system terminated processing of the dependency.

How to fix this error?

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 28508 - Error processing dependency &1: instance &2 not known ?

  The SAP error message 28508, which states "Error processing dependency &1: instance &2 not known," typically occurs in the context of SAP system installations, upgrades, or when managing system instances. This error indicates that the system is trying to process a dependency for a specific instance, but it cannot find the instance specified.
  Causes:
  
  Instance Not Registered: The instance specified in the error message may not be registered in the SAP system. This can happen if the instance was not created properly or if it was deleted.
  
  Configuration Issues: There may be configuration issues in the system that prevent the instance from being recognized.
  Transport Directory Issues: If the transport directory is not set up correctly, it may lead to instances not being recognized.
  Database Issues: If there are issues with the database connection or if the database instance is down, it may lead to this error.
  Incorrect Parameters: The parameters used to reference the instance