i have problem with lifa_base

Hello ....... I have this problem appears possible in the solution Tsaona C:\Users\aser\AppData\Local\Temp\build8496048184569422514.tmp\LIFA_Base.cpp.o: In function loop': E:\arduino-1.5.6-r2/LIFA_Base.ino:59: undefined reference to checkForCommand()' E:\arduino-1.5.6-r2/LIFA_Base.ino:65: undefined reference to sampleContinously()' C:\Users\aser\AppData\Local\Temp\build8496048184569422514.tmp\LIFA_Base.cpp.o: In function setup': E:\arduino-1.5.6-r2/LIFA_Base.ino:39: undefined reference to `syncLV()'
help me please>>>>>>>>>

Please post the code between code tags so we can see all of it.

Thanks