Thanks that kind of worked for me it showed the gui for a while but then it stopped with following error :
>>> GRAS: The debug asserts are enabled. <<<
Created default thread pool with 4 threads.
Using Volk machine: sse4_2_32_orc
ASSERT FAIL /home/electron/Downloads/gras/lib/gras_impl/input_buffer_queues.hpp:156
total_idle_times[i] <= (time_now() - _init_time)
terminate called after throwing an instance of 'std::runtime_error'
what(): ASSERT FAIL total_idle_times[i] <= (time_now() - _init_time)