How To Fix /SCWM/DLV_API016 - Incorrect call sequence: Method &1 after method &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/DLV_API -

• Message number: 016

• Message text: Incorrect call sequence: Method &1 after method &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/DLV_API016 - Incorrect call sequence: Method &1 after method &2 ?

  The SAP error message /SCWM/DLV_API016 Incorrect call sequence: Method &1 after method &2 typically occurs in the context of the SAP Extended Warehouse Management (EWM) system. This error indicates that there is an issue with the sequence in which methods are being called in the API for delivery processing.
  Cause:
  The error is usually caused by:
  
  Incorrect API Call Sequence: The methods in the delivery API are being called in an incorrect order. Each method has a specific sequence that must be followed to ensure that the data is processed correctly.
  Business Logic Violations: The application logic may require certain conditions to be met before a method can be called. If these conditions are not satisfied, it can lead to this error.
  Configuration Issues: There may be configuration settings in the EWM system that are not aligned with the expected call sequence.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check API Documentation: Review the SAP EWM API documentation to understand the correct sequence of method calls. Ensure that you are following the prescribed order.
  
  
  Review Code Logic: If you are developing custom code or using a third-party integration, check the logic to ensure that methods are being called in the correct sequence. 
  
  
  Debugging: Use debugging tools to trace the execution of the API calls. This can help identify where the incorrect sequence is occurring.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on the correct usage of the API.
  
  
  Testing: After making changes, thoroughly test the API calls to ensure that the error does not recur.
  
  
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support for assistance. Provide them with details of the error, the sequence of method calls, and any relevant logs.
  
  
  Related Information:
  
  SAP EWM Documentation: Familiarize yourself with the official SAP EWM documentation, which provides detailed information on the API and its methods.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can offer insights or solutions.
  Training and Resources: Consider SAP training resources or courses that cover EWM and its APIs to better understand the system's functionality and best practices.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.