How To Fix ATP_ABC_ALTVCTRL007 - The wildcard principle has been violated.

ATP_ABC_ALTVCTRL007 - Overview

• Message type: E = Error

• Message class: ATP_ABC_ALTVCTRL -

• Message number: 007

• Message text: The wildcard principle has been violated.

What causes this issue?

When maintaining characteristic values for an alternative control, you
cannot use wildcards before fixed values in alternative controls.

How to fix this error?

In the alternative control, ensure that the characteristic value
containing a fixed value is before any characteristic value containing a
wildcard.

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.

ATP_ABC_ALTVCTRL007 - Details

• The SAP error message ATP_ABC_ALTVCTRL007, which states "The wildcard principle has been violated," typically occurs in the context of Advanced ATP (aATP) in SAP S/4HANA. This error is related to the use of alternative control in the availability check process, particularly when dealing with product allocations or alternative products.
  
  Cause:
  The error arises when the system detects a violation of the "wildcard principle." This principle is part of the logic that governs how alternative products are defined and used in availability checks. Specifically, it can occur in the following scenarios:
  
  Improper Configuration: The alternative product configuration may not be set up correctly, leading to conflicts in how alternatives are defined.
  Missing or Incorrect Alternative Products: If the alternative products are not properly defined in the system or if there are conflicts in the product master data.
  Allocation Issues: If the allocation of stock to alternative products is not correctly managed, it can lead to this