How To Fix WT131 - Forecast values for determining target stock do not exist

WT131 - Overview

• Message type: E = Error

• Message class: WT - Retail: Replenishment

• Message number: 131

• Message text: Forecast values for determining target stock do not exist

What causes this issue?

According to the availability indicator, the target stock in the
replenishment run is to be defined dynamically. The system could not
define the forecast values for the relevant time period for this.
You can display the available forecast values in the logistics data for
the article master.

System Response

An error occurred at the end of the replenishment run for this item.

How to fix this error?

Execute a forecast so that the required forecast values are available.
These values have to cover at least the following time periods:
Start: planning time period + replenishment lead time
End: planning time period + replenishment lead time + target range
of coverage

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WT131 - Forecast values for determining target stock do not exist ?

  Certainly! Here's a detailed explanation for the SAP error message WT131: Forecast values for determining target stock do not exist:
  
  Error Message
  WT131: Forecast values for determining target stock do not exist
  
  Cause
  This error occurs in SAP's Warehouse Management (WM) or Inventory Management processes when the system tries to determine the target stock level based on forecast values, but no forecast data is available for the material in question.
  More specifically:
  
  The system uses forecast values (usually from the Forecast Planning or Demand Planning module) to calculate the target stock level.
  If the forecast data for the material and relevant period is missing or not maintained, the system cannot calculate the target stock.
  This often happens during the execution of replenishment or planning runs where the target stock is derived from forecasted demand.
  
  
  When does it occur?
  
  During warehouse replenishment or planning runs.
  When using forecast-based target stock determination in WM or Inventory Management.
  When the system expects forecast data but