Constraint type '<typename>' already specified for this type parameter
A constraint list includes a class or interface constraint more than once.
A constraint list imposes requirements on the type argument passed to the type parameter. You can specify the following requirements in any combination:
The type argument must implement one or more interfaces
The type argument must inherit from at most one class
A type cannot implement or inherit from the same type more than once, and you cannot specify a type more than once in the same constraint list.
Error ID: BC32071
- Remove any redundant specifications of the same class or interface. It should appear only once in the constraint list.
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