Can't use an undefined value as an ARRAY reference at -e line 2 (#1)
    (F) A value used as either a hard reference or a symbolic 
    reference must be a defined value.  This helps to delurk
    some insidious errors.

Uncaught exception from user code:
        Can't use an undefined value as an ARRAY reference
        at -e line 2.
 at -e line 2