How To Fix /SAPAPO/DEPL_MESS021 - Scheduler returned route information for multiple scheduling activities

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DEPL_MESS -

• Message number: 021

• Message text: Scheduler returned route information for multiple scheduling activities

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DEPL_MESS021 - Scheduler returned route information for multiple scheduling activities ?

  The SAP error message /SAPAPO/DEPL_MESS021 indicates that the scheduler has returned route information for multiple scheduling activities. This typically occurs in the context of Advanced Planning and Optimization (APO) when there are issues with the scheduling of production or transportation activities.
  Cause:
  
  
  Multiple Scheduling Activities: The error usually arises when the system finds multiple scheduling activities that are linked to the same route or resource. This can happen if:
  
  There are overlapping or conflicting production orders or transportation requests.
  The routing configuration allows for multiple activities to be scheduled simultaneously on the same resource.
  There are issues with the master data, such as incorrect or incomplete routing information.
  
  
  
  Configuration Issues: The configuration of the planning area or the settings in the APO system may not be set up correctly, leading to ambiguity in scheduling.
  
  
  Data Inconsistencies: Inconsistencies in master data, such as routing, resources, or production versions, can also lead to this error.
  
  
  Solution:
  
  
  Review Scheduling Activities: Check the scheduling activities that are being processed. Ensure that there are no overlapping activities that could cause conflicts.
  
  
  Check Routing and Resource Configuration: 
  
  Verify the routing configuration for the production or transportation activities. Ensure that the routes are defined correctly and that there are no duplicate entries.
  Check the resource configuration to ensure that it can handle the scheduling of multiple activities without conflicts.
  
  
  
  Master Data Consistency: 
  
  Review the master data related to the production orders, transportation requests, and routing. Ensure that all relevant data is complete and consistent.
  If necessary, update or correct any inconsistencies in the master data.
  
  
  
  Adjust Planning Area Settings: If the issue persists, consider reviewing the settings of the planning area in APO. Ensure that the settings allow for the correct handling of scheduling activities.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  
  Testing: After making changes, perform testing to ensure that the error does not reoccur. Monitor the scheduling activities to confirm that they are processed correctly.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/SDP94 (for planning board) or /SAPAPO/SCM1 (for monitoring) to analyze the scheduling activities and resources.
  SAP Help Documentation: Refer to the official SAP documentation for APO for more detailed information on routing, scheduling, and configuration.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.