How To Fix MPE_SAS_MSG003 - No start event found in the op.activity network: Token cannot be executed

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_SAS_MSG - Message Class for Status and Action Schema

• Message number: 003

• Message text: No start event found in the op.activity network: Token cannot be executed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_SAS_MSG003 - No start event found in the op.activity network: Token cannot be executed ?

  The SAP error message MPE_SAS_MSG003 indicates that there is no start event found in the operational activity network, which means that the system cannot execute the token because it lacks a defined starting point. This error typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where process chains or workflows are involved.
  Cause:
  
  Missing Start Event: The most common cause of this error is that the process or activity network does not have a defined start event. This could be due to incorrect configuration or missing data.
  Incorrect Configuration: The configuration of the operational activity network may not be set up correctly, leading to the absence of a start event.
  Data Integrity Issues: There may be issues with the data integrity in the system, such as missing links or references that are required for the process to initiate.
  Workflow Definition Issues: If the workflow or process chain is not properly defined, it may lead to this error.
  
  Solution:
  
  Check Configuration: Review the configuration of the operational activity network to ensure that a start event is defined. This may involve checking the settings in the relevant transaction codes or configuration screens.
  Define Start Event: If a start event is missing, you will need to define it. This can typically be done in the configuration settings of the process or activity network.
  Validate Data: Ensure that all necessary data and links are present and correctly configured. This may involve checking master data, transaction data, and any dependencies that the process relies on.
  Review Workflow Definitions: If applicable, review the workflow definitions to ensure that they are correctly set up and that all necessary components are included.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on configuring operational activity networks and defining start events.
  Testing: After making changes, test the process to ensure that the error is resolved and that the token can be executed successfully.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OM_ORDER for operational planning or /SAPAPO/MC90 for monitoring.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it is impacting critical business processes.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.