ERROR: "NUM_COM" was not declared in this scope

[TairongZhu]

when I run this code, there is an error saying that "NUM_COM" was not declared in this scope, I don't know how can I fix this error.
The error is in line 186, in for loop: for(int num= 0; num < NUM_COM ; num++).

[AlphaLima]

You must include the header file

[ThomasCr]

and which one?

[ThomasCr]

ok, found the information....

#9

Arduino IDE forgot to copy it to its folder....