How To Fix MSG_CL_ER253 - Subscription with empty Application change key is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 253

• Message text: Subscription with empty Application change key is not possible

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_CL_ER253 - Subscription with empty Application change key is not possible ?

  The SAP error message MSG_CL_ER253 indicates that there is an issue with a subscription that has an empty application change key. This typically occurs in the context of SAP's Change and Transport System (CTS) or when dealing with change requests and transport management.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Change Key: The application change key, which is necessary for identifying the specific change or transport request, is not provided or is empty.
  Configuration Issues: There may be a misconfiguration in the system that prevents the application change key from being generated or recognized.
  Data Integrity Issues: There could be issues with the data integrity in the transport request or subscription setup.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Subscription Configuration:
  
  Ensure that the subscription is correctly configured and that all required fields, including the application change key, are filled out properly.
  
  
  
  Review Change Request:
  
  Verify that the change request associated with the subscription is valid and has been properly created. Check if the change key is being generated correctly.
  
  
  
  System Configuration:
  
  Review the system settings related to the Change and Transport System. Ensure that all necessary configurations are in place for the application change key to be generated.
  
  
  
  Transport Management:
  
  If applicable, check the transport management settings to ensure that the transport routes and layers are correctly defined.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can trace the process to see where the application change key is supposed to be generated and identify why it is empty.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SAP you are using. There may be specific patches or updates that address this issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Change Management Documentation: Review SAP's documentation on change management and transport management for best practices and configuration guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.