ABC cannot be executed: the substitution stategy contradicts the process.

What causes this issue?

The substitution item type in substitution strategy &V3& violates the
conditions of the current process for item &V2& in document &V1&.

System Response

Alternative-Based Confirmation (ABC) is not executed. Instead, an
availability check is executed without ABC.

How to fix this error?

Change the substitution item type in the substitution strategy if the
availability check for the current process must include ABC.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.