How To Fix D4159 - ILLEGAL_EVENT_COMBINATION at method call of SET_REGISTERED_EVENTS

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 159

• Message text: ILLEGAL_EVENT_COMBINATION at method call of SET_REGISTERED_EVENTS

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D4159 - ILLEGAL_EVENT_COMBINATION at method call of SET_REGISTERED_EVENTS ?

  The SAP error message D4159 with the description "ILLEGAL_EVENT_COMBINATION" typically occurs when there is an attempt to register for events in a way that is not allowed by the system. This error is often related to the use of the SET_REGISTERED_EVENTS method in the context of SAP's Business Object (BO) or similar frameworks.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Invalid Event Combination: The combination of events you are trying to register for is not valid. For example, you might be trying to register for events that cannot coexist or are mutually exclusive.
  Incorrect Event Type: You may be trying to register for an event that is not applicable to the object or context you are working with.
  State of the Object: The object may not be in a state that allows for the registration of the requested events.
  
  Solution:
  To resolve the D4159 error, consider the following steps:
  
  
  Check Event Combinations: Review the documentation for the specific Business Object or framework you are working with to ensure that the events you are trying to register for are compatible. Make sure that you are not trying to register for conflicting events.
  
  
  Validate Event Types: Ensure that the events you are trying to register for are valid for the object you are working with. Some events may only be applicable in certain contexts or states.
  
  
  Review Object State: Check the current state of the object to ensure it is in a valid state for registering events. If the object is not ready or is in a transitional state, you may need to wait until it is stable.
  
  
  Debugging: If you have access to debugging tools, you can step through the code to see the exact point where the error occurs and inspect the values being passed to the SET_REGISTERED_EVENTS method.
  
  
  Consult Documentation: Refer to the official SAP documentation or community forums for any specific guidelines or known issues related to the events you are working with.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They may have additional insights or patches available for your specific version.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Version Compatibility: Ensure that you are using a compatible version of the SAP system and that all relevant components are up to date.
  
  By following these steps, you should be able to identify the cause of the D4159 error and implement a suitable solution.