How To Fix /SAPAPO/MAT703 - Start date/time must come after end dt./time of predecessor (&1 &2 &3 &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 703

• Message text: Start date/time must come after end dt./time of predecessor (&1 &2 &3 &4)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MAT703 - Start date/time must come after end dt./time of predecessor (&1 &2 &3 &4) ?

  The SAP error message /SAPAPO/MAT703 indicates that there is a scheduling issue in the Advanced Planning and Optimization (APO) module. Specifically, it means that the start date and time of a particular operation or activity must occur after the end date and time of its predecessor operation. This is a common issue in production planning and scheduling scenarios.
  Cause:
  
  Incorrect Scheduling: The start date/time of the current operation is set to an earlier time than the end date/time of the predecessor operation.
  Data Entry Errors: Manual entry errors when inputting dates and times for operations.
  Configuration Issues: Incorrect settings in the routing or production version that define the sequence of operations.
  Dependencies Not Respected: The dependencies between operations are not correctly defined, leading to scheduling conflicts.
  
  Solution:
  
  Check Operation Dates: Review the start and end dates/times of the operations involved. Ensure that the start date/time of the current operation is after the end date/time of the predecessor operation.
  Adjust Scheduling: If necessary, adjust the scheduling of the operations to ensure that they follow the correct sequence.
  Review Routing and Production Versions: Check the routing and production version settings to ensure that they are correctly defined and that the operations are sequenced properly.
  Use the Planning Board: Utilize the planning board in SAP APO to visualize the operations and their dependencies. This can help identify where the scheduling conflict is occurring.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to set up operations and dependencies correctly.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/SDP94 (Planning Board) or /SAPAPO/MC90 (Change Planning Object) to analyze and adjust the scheduling.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  User Exits and BAdIs: If custom logic is involved in scheduling, review any user exits or BAdIs that might affect the operation scheduling.
  
  By following these steps, you should be able to resolve the error and ensure that your operations are scheduled correctly in SAP APO.