How To Fix /SAPAPO/PALG021 - Sched. outside of calendar limits: timestr. ID &1 start &2 dir. &3 sec &4

/SAPAPO/PALG021 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PALG -

• Message number: 021

• Message text: Sched. outside of calendar limits: timestr. ID &1 start &2 dir. &3 sec &4

Self-Explanatory Message

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/SAPAPO/PALG021 - Details

• The SAP error message /SAPAPO/PALG021 indicates that a scheduling operation is attempting to occur outside of the defined calendar limits. This typically happens in the context of Advanced Planning and Optimization (APO) when the system tries to schedule a process or activity that falls outside the operational hours defined in the calendar settings.
  
  Cause:
  
  Calendar Configuration: The calendar settings in SAP APO may not be configured correctly, or the specific time period for the operation is not included in the active calendar.
  Time Slot Issues: The scheduling request may be trying to allocate resources or perform operations during non-working hours or outside the defined time slots.
  Incorrect Time Settings: The time settings for the production or planning process may be incorrectly defined, leading to attempts to schedule outside of allowed times.
  
  
  Solution:
  
  
  Check Calendar Settings:
  
  Go to the transaction code /SAPAPO/SCAL to review the calendar settings.
  Ensure that the relevant time periods for the scheduling operation are included