How To Fix /PM0/ABP_PLAN_EXTDT026 - Date cannot be scheduled externally (&1)

/PM0/ABP_PLAN_EXTDT026 - Overview

• Message type: E = Error

• Message class: /PM0/ABP_PLAN_EXTDT -

• Message number: 026

• Message text: Date cannot be scheduled externally (&1)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABP_PLAN_EXTDT026 - Date cannot be scheduled externally (&1) ?

  The SAP error message /PM0/ABP_PLAN_EXTDT026 Date cannot be scheduled externally (&1) typically occurs in the context of planning and scheduling within SAP, particularly in the Advanced Business Planning (ABP) module. This error indicates that the date specified for a planning activity cannot be scheduled externally, which may be due to various reasons.
  Causes:
  
  Invalid Date: The date provided may not be valid for the planning scenario or may fall outside the permissible range.
  
  Configuration Issues: There may be configuration settings in the planning area that restrict external scheduling.
  Locking Issues: The planning area or the specific date may be locked for external changes due to ongoing processes or settings.
  Master Data Issues: There may be issues with the master data that prevent the scheduling of the date.
  Planning Version: The planning version being used may not allow external scheduling for the specified date.
  
  Solutions:
  
  Check the Date: Verify that the date you are trying to schedule is valid