How To Fix /SAPAPO/OPT_VSR_MSG504 - Duration from prev. stop to stop &1 at loc. &2 of sched. &3 must be >=0

/SAPAPO/OPT_VSR_MSG504 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OPT_VSR_MSG -

• Message number: 504

• Message text: Duration from prev. stop to stop &1 at loc. &2 of sched. &3 must be >=0

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OPT_VSR_MSG504 - Duration from prev. stop to stop &1 at loc. &2 of sched. &3 must be >=0 ?

  The SAP error message /SAPAPO/OPT_VSR_MSG504 indicates that there is an issue with the scheduling of operations in the Advanced Planning and Optimization (APO) module. Specifically, the error states that the duration from the previous stop to the current stop at a specified location must be greater than or equal to zero. This typically means that there is a scheduling conflict or an inconsistency in the planned operations.
  
  Cause:
  
  Negative Duration: The most common cause of this error is that the planned duration between two operations (stops) is negative. This can happen if the end time of the previous operation is later than the start time of the current operation.
  Incorrect Scheduling Parameters: There may be incorrect settings in the scheduling parameters, such as lead times, processing times, or setup times.
  Data Inconsistencies: There could be inconsistencies in the master data, such as incorrect routing or production versions.
  Resource Availability: The resource assigned to the operation