How To Fix WXP306 - Planning step &1 cannot be planned manually for planning scenario &2

WXP306 - Overview

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 306

• Message text: Planning step &1 cannot be planned manually for planning scenario &2

What causes this issue?

When maintaining the planning step &V1&, you have chosen a planning
step method that does not allow manual planning to be used. As the
planning layout is only required for manual planning, you cannot enter
a planning layout for this planning step.

System Response

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

INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

If you want to enter layouts for this planning step, change the
planning step method in planning step maintenance.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

WXP306 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WXP306: Planning step &1 cannot be planned manually for planning scenario &2
  
  
  Cause:
  This warning message occurs when you attempt to manually plan a planning step that is configured to be planned automatically or is not allowed to be planned manually within the given planning scenario.
  In SAP Integrated Business Planning (IBP) or SAP APO (Advanced Planning and Optimization), planning steps define stages or phases in the planning process. Each planning step can be configured with specific attributes, including whether it can be planned manually or only automatically.
  If the planning step is set to be planned automatically (e.g., system-driven planning runs, heuristics, or macros) and you try to manually enter or change data for that step, the system will issue this warning.
  
  Explanation:
  
  Planning Step &1: The specific planning step you tried to plan manually.
  Planning Scenario &2: The planning scenario context in which the