How To Fix T5159 - Wait mode ended with unknown reason code: Inform vendor

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 159

• Message text: Wait mode ended with unknown reason code: Inform vendor

What causes this issue?

CTI vendor returned a non-defined reason code.

System Response

The system cannot process the call correctly in the CIC.

How to fix this error?

Ask the vendor of your CTI product to correct the error.

Procedure for System Administrators

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 T5159 - Wait mode ended with unknown reason code: Inform vendor ?

  The SAP error message T5159, which states "Wait mode ended with unknown reason code: Inform vendor," typically indicates that a process or job in SAP has terminated unexpectedly, and the system is unable to determine the specific reason for the failure. This can occur in various contexts, such as during batch processing, job scheduling, or when executing certain transactions.
  Possible Causes:
  
  System 
  Configuration Issues: There may be misconfigurations in the system settings or parameters that lead to unexpected behavior.
  Resource Limitations: Insufficient system resources (like memory, CPU, or disk space) can cause processes to fail.
  Software Bugs: There may be bugs in the SAP software or in custom code that lead to unexpected terminations.
  Database Issues: Problems with the underlying database, such as connectivity issues or corruption, can also lead to this error.
  Network Issues: If the job involves communication with external systems, network issues could cause failures.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21)