Diagnosis
Characteristic facet &v1& cannot be negated in this dependency type.You entered an expression that contains the negated form, eitherdirectly or after logical conversion.
You can use the negated form in procedures, but not in actions orconstraints.

System Response
The system selects the entire dependency as incorrect, but if thenegation is caused by logical conversion, it does not show exactlywhere the error occurs.

What_ to_do
Check your entries and correct the source code, or check the dependencytype.