Can't modify reference constructor in scalar assignment at ./cdialog.pl line 43, near ") }"
Execution of ./cdialog.pl aborted due to compilation errors (#1)
    (F) You aren't allowed to assign to the item indicated, or otherwise try
    to change it, such as with an auto-increment.

Uncaught exception from user code:
        Can't modify reference constructor in scalar assignment at ./cdialog.pl line 43, near ") }"
Execution of ./cdialog.pl aborted due to compilation errors.