perl6/doc/lib/X/Declaration/Scope/Multi

(title)  class X::Declaration::Scope::Multi

    class X::Declaration::Scope::Multi is X::Declaration::Scope { }

Thrown when a multi is declared with an incompatible scope. For example our multi sub foo() { } dies with

    ===SORRY!===
    Cannot use 'our' with individual multi candidates. Please declare an our-scoped proto instead