How To Fix REMPT260 - Expanding and collapsing periods not possible for planning calendar

REMPT260 - Overview

• Message type: E = Error

• Message class: REMPT - Message Class for REM Planning Table (Rel. 99)

• Message number: 260

• Message text: Expanding and collapsing periods not possible for planning calendar

What causes this issue?

You want to expand or collapse a period of the planning calendar.

System Response

Expanding and collapsing periods is not possible for planning calendar
periods.

How to fix this error?

If you want to be able to expand and collapse periods, you should
select a different period instead of the planning calendar by choosing
"View --> Period".

Error message extract from SAP system. Copyright SAP SE.

REMPT260 - Details

• The SAP error message REMPT260, which states "Expanding and collapsing periods not possible for planning calendar," typically occurs in the context of planning functions within SAP, particularly in the SAP Integrated Business Planning (IBP) or SAP Business Planning and Consolidation (BPC) modules. This error indicates that there is an issue with the planning calendar configuration or the way periods are defined in the planning environment.
  Causes:
  
  Incorrect Planning Calendar Configuration: The planning calendar may not be set up correctly, leading to issues with period definitions.
  Period Definition Issues: The periods defined in the planning calendar may not align with the expected structure (e.g., fiscal year, month, week).
  Locked or Inactive Periods: If the periods you are trying to expand or collapse are locked or inactive, this can trigger the error.
  Data Integrity Issues: There may be inconsistencies in the data that prevent the system from processing the periods correctly.
  User Authorization: The user may not have