How To Fix WXP233 - Source planning step &1 is not defined in planning scenario &2

WXP233 - Overview

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 233

• Message text: Source planning step &1 is not defined in planning scenario &2

What causes this issue?

You want to define planning step &V1& as the source of a link. However,
this planning step has not yet been created for planning scenario &V2&.

System Response

Your entry cannot be copied.

How to fix this error?

Enter planning step &V1& in maintenance for planning scenario &V2& .
The planning step can be used as a source planning step in a link.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

WXP233 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WXP233 Source planning step &1 is not defined in planning scenario &2
  
  
  Cause:
  This warning message occurs in SAP APO (Advanced Planning and Optimization), specifically in the context of Production Planning and Detailed Scheduling (PP/DS) or Supply Network Planning (SNP) when working with planning scenarios.
  
  The message indicates that the source planning step (represented by &1) you are trying to use or reference is not defined in the current planning scenario (represented by &2).
  Planning steps are part of the planning scenario configuration and define the sequence and logic of planning activities.
  If a planning step is missing or incorrectly configured in the planning scenario, the system cannot proceed with the planning logic that depends on that step.
  
  
  When does it occur?
  
  When you execute planning runs or planning heuristics that reference a planning step not included in the scenario.
  When you try to assign or use