How To Fix /SCA/SDPR_INTERNAL018 - Quantity in schedule line &1/&2/&3 marked as "on time" (deviat. &4)

/SCA/SDPR_INTERNAL018 - Overview

• Message type: E = Error

• Message class: /SCA/SDPR_INTERNAL -

• Message number: 018

• Message text: Quantity in schedule line &1/&2/&3 marked as "on time" (deviat. &4)

Self-Explanatory Message

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/SCA/SDPR_INTERNAL018 - Details

• The SAP error message /SCA/SDPR_INTERNAL018 indicates an issue related to the scheduling of quantities in a sales order or delivery. This message typically arises in the context of SAP Advanced Planning and Optimization (APO) or SAP S/4HANA, particularly in the Supply Chain Management (SCM) module.
  
  Cause:
  The error message suggests that there is a discrepancy in the scheduling of quantities. Specifically, it indicates that the quantity in the schedule line is marked as "on time," but there is a deviation that is causing a conflict. The parameters in the message (&1, &2, &3, &4) usually represent:
  
  &1: Schedule line number
  &2: Item number
  &3: Delivery number
  &4: Deviation value
  
  This could be caused by several factors, including:
  
  Incorrect Configuration: The scheduling settings in the system may not be configured correctly, leading to mismatches in expected and actual delivery dates.
  Data Inconsistencies: There may be inconsistencies in the master data (e.g., material master, customer master) or transaction data (e.g., sales