Global symbol "$key" requires explicit package name (did you forget to declare "my $key"?) at - line 11.
Global symbol "$value" requires explicit package name (did you forget to declare "my $value"?) at - line 11.
Global symbol "$key" requires explicit package name (did you forget to declare "my $key"?) at - line 12.
Global symbol "$value" requires explicit package name (did you forget to declare "my $value"?) at - line 12.
Execution of - aborted due to compilation errors.