How To Fix PK459 - Dependent requirement on &1 for material &2 does not lie on workday

PK459 - Overview

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 459

• Message text: Dependent requirement on &1 for material &2 does not lie on workday

What causes this issue?

For material &v2&, the dependent requirement of &v1&, which is
to be used for the
kanban calculation, does not lie on a workday. Furthermore, you have set
that the dependent requirements are not to be smoothed over a certain
period (for example, week). In this case, the requirements date for all
dependent requirements must lie on a workday.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check your master data and restart material requirements planning or set
the kanban calculation so that the dependent requirements are to be
smoothed over a certain period.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PK459 - Dependent requirement on &1 for material &2 does not lie on workday ?

  The SAP error message PK459 indicates that there is a dependent requirement for a material that does not fall on a workday. This typically occurs in the context of production planning and scheduling, where the system is trying to schedule a dependent requirement (like a component needed for production) on a date that is not a valid working day according to the calendar settings in SAP.
  
  Cause:
  
  Non-Working Day: The date for the dependent requirement falls on a non-working day (e.g., weekends, holidays).
  Calendar Settings: The factory calendar or the production scheduling profile may not be set up correctly, leading to scheduling issues.
  Material Availability: The system may be trying to allocate materials or components that are not available on the specified date.
  
  
  Solution:
  
  
  Check the Calendar Settings:
  
  Go to the transaction code SCAL to check the factory calendar settings.
  Ensure that the workdays are correctly defined and that the relevant holidays are accounted for.
  
  
  
  Adjust the Production Schedule:
  
  Review