How To Fix /SAPAPO/OPT_VSR_MSG401 - Schedule vehicle &1 (departure time &2) is not required

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OPT_VSR_MSG -

• Message number: 401

• Message text: Schedule vehicle &1 (departure time &2) is not required

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 /SAPAPO/OPT_VSR_MSG401 - Schedule vehicle &1 (departure time &2) is not required ?

  The SAP error message /SAPAPO/OPT_VSR_MSG401 indicates that a specific vehicle schedule is not required for the given departure time. This message typically arises in the context of SAP Advanced Planning and Optimization (APO), particularly in the Vehicle Scheduling (VSR) module.
  Cause:
  
  
  No Demand for the Vehicle: The primary reason for this error is that there is no demand or requirement for the vehicle at the specified departure time. This could be due to:
  
  Changes in demand patterns.
  The planned transportation route has been altered or canceled.
  The vehicle is scheduled for a time when there are no orders to fulfill.
  
  
  
  Incorrect Scheduling Parameters: The scheduling parameters or constraints may not align with the current demand or supply situation, leading to the vehicle not being needed.
  
  
  Data Inconsistencies: There may be inconsistencies in the master data, such as vehicle availability, transportation lanes, or order data.
  
  
  Solution:
  
  
  Check Demand and Orders: Verify if there are any active orders or demand that require the vehicle at the specified time. If there are no orders, consider adjusting the schedule or removing the vehicle from the schedule.
  
  
  Review Scheduling Parameters: Ensure that the scheduling parameters are correctly set up. This includes checking the transportation lanes, vehicle availability, and any constraints that may affect scheduling.
  
  
  Adjust Vehicle Schedule: If the vehicle is not needed, you can either:
  
  Remove the vehicle from the schedule for that time.
  Reschedule the vehicle to a time when it is required.
  
  
  
  Data Consistency Check: Perform a data consistency check to ensure that all relevant master data (e.g., vehicle master, transportation lanes, etc.) is accurate and up to date.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for further insights into the specific configuration and settings related to vehicle scheduling.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/OPT_VSR to access the Vehicle Scheduling workbench and analyze the scheduling situation.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error message.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in APO and transportation management.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.