whereis_diff_functions4.erl:32: The call erlang:register(Atom::atom(),Pid::pid()) might fail due to a possible race condition caused by its combination with the erlang:whereis(AnAtom::any()) call in whereis_diff_functions4.erl on line 13, the erlang:whereis(AnAtom::atom()) call in whereis_diff_functions4.erl on line 17