How To Fix T5019 - Function cannot be executed (for example, no call is currently active)

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 019

• Message text: Function cannot be executed (for example, no call is currently active)

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 T5019 - Function cannot be executed (for example, no call is currently active) ?

  The SAP error message T5019, which states "Function cannot be executed (for example, no call is currently active)," typically occurs in the context of function modules or remote function calls (RFC) when the system is unable to execute a function due to the absence of an active session or call context. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  No Active Session: The function module is being called without an active session or context. This can happen if the function is called from a background job or if the session has been terminated.
  Incorrect Function Call: The function might be called in an incorrect manner, such as from a place where it is not allowed (e.g., from a non-dialog program).
  Authorization Issues: The user executing the function may not have the necessary authorizations to perform the action.
  System Configuration: There may be issues with the system configuration or the way the function module is set up.
  Network Issues: If the function is being called remotely, network issues could prevent the call from being established.
  
  Solutions:
  
  Check Session Status: Ensure that there is an active session when the function is being called. If you are running a background job, make sure the function is designed to be executed in that context.
  Review Function Call: Verify that the function is being called correctly and from an appropriate context. Check the documentation for the function module to ensure it is being used as intended.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function. You can check this in transaction SU53 after the error occurs.
  Debugging: Use the debugger to trace the execution of the program and identify where the error occurs. This can help pinpoint the exact cause of the issue.
  Check Configuration: Review the configuration settings related to the function module or the RFC destination if applicable.
  Network Troubleshooting: If the function is being called remotely, check for any network issues that might be affecting the connection.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE37 (Function Builder) to check the function module and its parameters.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to T5019.
  Documentation: Review the SAP documentation for the specific function module to understand its requirements and limitations.
  Community Forums: Check SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.