Global symbol "@data" requires explicit package name at ./billing.pl line 16.
Global symbol "@data2" requires explicit package name at ./billing.pl line 17.
Global symbol "$id" requires explicit package name at ./billing.pl line 21.
Global symbol "$name" requires explicit package name at ./billing.pl line 21.
Global symbol "$srid" requires explicit package name at ./billing.pl line 22.
Global symbol "@data" requires explicit package name at ./billing.pl line 29.
Global symbol "@data2" requires explicit package name at ./billing.pl line 48.
Execution of ./billing.pl aborted due to compilation errors.