1lager_trunc_io.erl:283: Call to missing or unexported function erlang:is_map/1 2lager_trunc_io.erl:335: Call to missing or unexported function erlang:map_size/1 3Unknown functions: 4 lager_default_tracer:info/1 5 maps:to_list/1 6
1lager_trunc_io.erl:283: Call to missing or unexported function erlang:is_map/1 2lager_trunc_io.erl:335: Call to missing or unexported function erlang:map_size/1 3Unknown functions: 4 lager_default_tracer:info/1 5 maps:to_list/1 6