Conditional Goods Movement for products with CG combination &1 and &2

What causes this issue?

Explosives of Compatibility Group N cannot be stored with explosives of
other Compatibility Groups, except for Compatibility Group S.
However, if such explosives are stored with explosives of Compatibility
Group C, D and E, the explosives of Compatibility Group N must be
considered as having the characteristics of Compatibility Group D and
the compatibility groups mixing rules apply accordingly.

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?

Procedure for System Administrators

Please contact the warehouse clerk.

Error message extract from SAP system. Copyright SAP SE.