How To Fix CY735 - Order & operation & starts before basic start date of order

CY735 - Overview

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 735

• Message text: Order & operation & starts before basic start date of order

What causes this issue?

The operation has been dispatched to a time before the order start date
or no remaining available capacity could be found within the basic
dates.

How to fix this error?

Reschedule the operation manually or
reschedule another commitment or
increase the available capacity.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY735 - Order & operation & starts before basic start date of order ?

  The SAP error message CY735 indicates that there is a scheduling issue with a production order or operation. Specifically, it means that the start date of an operation is set to begin before the basic start date of the order. This can occur in various scenarios, such as when the scheduling parameters are not correctly configured or when there are conflicts in the order's timeline.
  
  Cause:
  
  Incorrect Scheduling Parameters: The scheduling parameters for the order or operation may not be set correctly, leading to a conflict in the start dates.
  Manual Changes: If someone manually adjusted the start date of the operation without considering the basic start date of the order, this error can occur.
  Dependencies: There may be dependencies or constraints that are not being respected, such as predecessor operations that have not been completed.
  Capacity Constraints: If there are capacity constraints in the work center, it may lead to scheduling conflicts.
  
  
  Solution:
  
  Check Order Dates: