Go into configuration.h around line 455 or so, do you have #define PROBE_SERVO_DEACTIVATION_DELAY 300 enabled, if so put a // in front of it and see if it compiles.

I just ran into the same thing.....

Quote Originally Posted by AbuMaia View Post
Well, I solved the hypot problem. The /* -*- c++ -*- */ at the top of marlin_main got replaced by some other text somehow. I've restored it, now I get
Marlin_main.cpp: In function ‘void retract_z_probe()’:
Marlin_main.cpp:1100:13: error: ‘axis’ was not declared in this scope
if (axis==Z_AXIS)

That would be line 1091 in the zipped file. I'm stumped this time.