The first error message seems to be related to this piece of code:
#include <SerialGSM.h>
#include
SerialGSM cell(2,3);
Hopefully, the reason is obvious. I suggest you fix that error and try again.
The first error message seems to be related to this piece of code:
#include <SerialGSM.h>
#include
SerialGSM cell(2,3);
Hopefully, the reason is obvious. I suggest you fix that error and try again.