How To Fix OL518 - Application '&' not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 518

• Message text: Application '&' not defined

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 OL518 - Application '&' not defined ?

  The SAP error message OL518, which states "Application '&' not defined," typically occurs when the system is unable to find a specific application that is referenced in a transaction or process. This can happen for various reasons, including configuration issues, missing entries in the relevant tables, or incorrect settings.
  Causes:
  
  Missing Application Definition: The application you are trying to access has not been defined in the system.
  Incorrect Configuration: The configuration settings for the application may be incorrect or incomplete.
  Authorization Issues: The user may not have the necessary authorizations to access the application.
  Transport Issues: If the application was recently transported from another system, it may not have been properly configured in the target system.
  Custom Development: If the application is a custom development, there may be issues with the code or the way it was implemented.
  
  Solutions:
  
  
  Check Application Configuration:
  
  Go to the relevant configuration transaction (e.g., SPRO) and verify that the application is defined correctly.
  Ensure that all necessary parameters and settings are in place.
  
  
  
  Verify Authorization:
  
  Check if the user has the necessary authorizations to access the application. You can use transaction SU53 to analyze authorization issues.
  
  
  
  Review Transport Requests:
  
  If the application was recently transported, ensure that all necessary objects were included in the transport request and that they were imported correctly.
  
  
  
  Check Custom Code:
  
  If the application is custom-built, review the code for any issues that might prevent it from being recognized by the system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific application to ensure that all prerequisites and configurations are met.
  
  
  
  Contact SAP Support:
  
  If the issue persists, consider reaching out to SAP support for assistance, especially if it involves standard applications or modules.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), SU53 (Authorization Check), and SE80 (Object Navigator) for debugging.
  SAP Notes: Search for SAP Notes related to OL518 for any known issues or patches that may address the problem.
  Community Forums: Check SAP Community or other forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the OL518 error and implement a suitable solution.