Method'range' of object'_ global' failed ????'s

[Crazyxr02]

Hello everyone, Im trying to program my outboard acu. Im adjusting a fuel curve and when i go to send it back to the acu i keep getting a
Runtime error 1004.
Method 'Range' of object '_Global' failed
Im not sure what this means. Im not super super computer savy. I did the debug but im not sire what to change or to what to get it to work. Any help would be awesome.

[#2]

If there is any other info you guys need let me know. Thanks again in advanced

[#3]

@Crazyxr02 

Far from being a VBA expert, but try changing the code to:

Range("H35:I36").Select