How To Fix WXP009 - Plan version & was not assigned to a planning hierarchy version

WXP009 - Overview

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 009

• Message text: Plan version & was not assigned to a planning hierarchy version

What causes this issue?

You have entered plan version &V1& when defining planning layout &V1&
and/or in the characteristic screen.
No planning hierarchy version was assigned to this plan version yet.
The planning hierarchy version is compulsory for successfully executing
manual planning.
The plan version cannot therefore be used in manual planning.

System Response

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

How to fix this error?

Assign a planning hierarchy version to plan version &V1& or change your
entries.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WXP009 - Plan version & was not assigned to a planning hierarchy version ?

  SAP Error Message:
  WXP009 - Plan version & was not assigned to a planning hierarchy version
  
  
  Cause:
  This warning message occurs when you try to use or reference a plan version in a planning function or process, but the system finds that this plan version is not assigned to any planning hierarchy version. In SAP Integrated Business Planning (IBP) or SAP APO (Advanced Planning and Optimization), plan versions must be linked to a planning hierarchy version to ensure that the data aggregation and disaggregation are correctly handled according to the defined planning hierarchies.
  
  Explanation:
  
  Plan Version: Represents a specific version of planning data (e.g., forecast, demand plan).
  Planning Hierarchy Version: Defines the structure of the planning hierarchy (e.g., product-location hierarchy) used for aggregation and disaggregation.
  The system requires that each plan version be assigned to a planning hierarchy version so that it knows how to interpret and roll up the data.
  
  If this assignment is missing, the system