Arduino mega programing error

[anon73444976]

While we're on the subject of scope . . .

@anon50781411

float posv=0;
...
int Faleft=0;
int Famid=0;
int Faright=0;
...
//Right Ultrasonic
...
long duration1;
int distance1;
long duration2;
int distance2;
...
int pos=0;