Perl error: Can't locate module in @INC

From a recent email: Help, I've just run into this Perl error: "Can't locate module in @INC".

Solution: If you get a Perl error message like "Can't locate in @INC", this message means that the Perl module you're trying to include (like the module named Foo) can't be found in Perl's include path, which is represented by the variable named @INC.

AppleScript error: Can't make (handler) into type string

If you ever get the following error message in an AppleScript program (at least while editing the program in the ScriptEditor):

Can't make (handler) into type string

fear not, it seems to be pretty simple to cure. In my case I got this more-specific error message:

Can't make (handler getDayOfWeek) into type string

This error just means that I tried to call a function like this: