Schedule errors

/home/dm3ch/Workspace/Refregiration_Telemetry/Device/src/scheduler.cpp: In constructor ‘schelduler::task_period::task_period(boost::posix_time::time_duration, std::function<void()>)’:
/home/dm3ch/Workspace/Refregiration_Telemetry/Device/src/scheduler.cpp:12:91: error: no matching function for call to ‘schelduler::task_timepoint::task_timepoint()’
 task_period::task_period(time_duration run_period, std::function<void(void)> task_function)
                                                                                           ^
/home/dm3ch/Workspace/Refregiration_Telemetry/Device/src/scheduler.cpp:12:91: note: candidates are:
/home/dm3ch/Workspace/Refregiration_Telemetry/Device/src/scheduler.cpp:6:1: note: schelduler::task_timepoint::task_timepoint(boost::posix_time::ptime, std::function<void()>)
 task_timepoint::task_timepoint(ptime run_time, std::function<void(void)> task_function)
 ^
/home/dm3ch/Workspace/Refregiration_Telemetry/Device/src/scheduler.cpp:6:1: note:   candidate expects 2 arguments, 0 provided
In file included from /home/dm3ch/Workspace/Refregiration_Telemetry/Device/src/scheduler.cpp:1:0:
/home/dm3ch/Workspace/Refregiration_Telemetry/Device/include/scheduler.hpp:12:11: note: schelduler::task_timepoint::task_timepoint(const schelduler::task_timepoint&)
     class task_timepoint{
           ^
/home/dm3ch/Workspace/Refregiration_Telemetry/Device/include/scheduler.hpp:12:11: note:   candidate expects 1 argument, 0 provided
/home/dm3ch/Workspace/Refregiration_Telemetry/Device/include/scheduler.hpp:12:11: note: schelduler::task_timepoint::task_timepoint(schelduler::task_timepoint&&)
/home/dm3ch/Workspace/Refregiration_Telemetry/Device/include/scheduler.hpp:12:11: note:   candidate expects 1 argument, 0 provided
make[2]: *** [CMakeFiles/Refregiration_Telemetry-Device.dir/src/scheduler.cpp.o] Error 1
make[1]: *** [CMakeFiles/Refregiration_Telemetry-Device.dir/all] Error 2
make: *** [all] Error 2