integer i=10; system.debug(i)
1 2 10 42 11
Object: nil error: did not understand #i MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254) UndefinedObject(Object)>>doesNotUnderstand: #i (SysExcept.st:1448) UndefinedObject>>executeStatements (prog:1)
./prog:2: expected expression