Add Moose package

CPAN/Moose/Exception/CallingMethodOnAnImmutableInstance.pm

@@ -0,0 +1,19 @@
+package Moose::Exception::CallingMethodOnAnImmutableInstance;
+our $VERSION = '2.2207';
+
+use Moose;
+extends 'Moose::Exception';
+
+has 'method_name' => (
+    is       => 'ro',
+    isa      => 'Str',
+    required => 1
+);
+
+sub _build_message {
+    my $self = shift;
+    "The '".$self->method_name."' method cannot be called on an immutable instance";
+}
+
+__PACKAGE__->meta->make_immutable;
+1;