How To Fix WRF_WSUBST066 - Inventory check not possible for subst. mat. &1 at DC &2

WRF_WSUBST066 - Overview

• Message type: E = Error

• Message class: WRF_WSUBST - Article Substitution: Messages Central Determination Logic

• Message number: 066

• Message text: Inventory check not possible for subst. mat. &1 at DC &2

What causes this issue?

If the inventory check is active, the system can only perform an
inventory check at the DC for a substitution material if <ZH>
quantity-based</> inventory management is performed there for the
material.

System Response

The system does not run an inventory check for value-based inventory
management or inventory management at merchandise category level.
In this case, the system behaves as if the inventory check were
deactivated.

How to fix this error?

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

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 WRF_WSUBST066 - Inventory check not possible for subst. mat. &1 at DC &2 ?

  The SAP error message WRF_WSUBST066 indicates that an inventory check is not possible for a substitute material at a distribution center (DC). This error typically arises in the context of materials management and inventory management within the SAP system, particularly when dealing with substitute materials in the SAP Advanced Planning and Optimization (APO) module or in the SAP ERP system.
  
  Cause:
  The error can occur due to several reasons, including:
  
  
  Material Not Available: The substitute material (&1) may not be available in the specified distribution center (&2). This could be due to stock levels being zero or negative.
  
  
  Incorrect Configuration: There may be issues with the configuration of the substitute materials in the system. For example, the substitute material may not be properly defined or linked to the main material.
  
  
  Plant/Storage Location Issues: The distribution center may not be set up correctly in relation to the plant or storage location where the substitute material is