How To Fix MSG_CL_ER255 - System with application key '&1' not found in local Services Registry

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 255

• Message text: System with application key '&1' not found in local Services Registry

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 MSG_CL_ER255 - System with application key '&1' not found in local Services Registry ?

  The SAP error message MSG_CL_ER255 indicates that the system is unable to find a specific application key in the local Services Registry. This can occur in various scenarios, particularly when dealing with SAP Cloud Platform or when integrating different SAP systems.
  Cause:
  
  Missing Application Key: The application key specified in the error message (&1) does not exist in the local Services Registry. This could be due to a misconfiguration or an incorrect reference.
  Service Registry Issues: The local Services Registry may not be properly configured or may have been corrupted.
  Network Issues: If the system is trying to access a remote service, network issues could prevent it from reaching the Services Registry.
  Authorization Issues: The user or service account may not have the necessary permissions to access the Services Registry.
  
  Solution:
  
  Check Application Key: Verify that the application key specified in the error message is correct. Ensure that it matches the expected key in the Services Registry.
  Update Services Registry: If the application key is missing, you may need to register the service or application again in the Services Registry.
  Configuration Review: Review the configuration settings for the Services Registry to ensure that it is set up correctly.
  Check Network Connectivity: Ensure that there are no network issues preventing access to the Services Registry, especially if it is hosted remotely.
  Authorization Check: Verify that the user or service account has the necessary permissions to access the Services Registry.
  Restart Services: Sometimes, restarting the relevant services or the entire system can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Logs and Traces: Review system logs and traces for additional context around the error. This can provide insights into what might be causing the issue.
  Documentation: Refer to the official SAP documentation for the specific version of the system you are using, as there may be version-specific considerations.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error message and any relevant logs.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the MSG_CL_ER255 error message.