grpc comple error

[ghaucience]

i compile this package at ubuntu20.04 it report error when compile grpc

"make" grpc make[1]: Entering directory '/root/gateway-config' generating gateway_config grpc services REBAR_CONFIG="config/grpc_client_gen_local.config" ./rebar3 grpc gen ===> Evaluating config script "/root/gateway-config/_build/default/plugins/gpb/rebar.config.script" ===> Setting paths to [deps] ===> Compile (apps) ===> Setting paths to [plugins] ===> Setting paths to [deps] ===> Setting paths to [plugins] ===> Setting paths to [plugins] ===> Expanded command sequence to be run: [] ===> Running provider: do ===> Expanded command sequence to be run: [app_discovery,{grpc,gen}] ===> Running provider: app_discovery ===> Found top-level apps: [gateway_config] using config: [{src_dirs,["src"]},{lib_dirs,["apps/","lib/","."]}] ===> Evaluating config script "/root/gateway-config/_build/default/lib/lager/rebar.config.script" ===> Evaluating config script "/root/gateway-config/_build/default/plugins/gpb/rebar.config.script" ===> Setting paths to [deps] ===> Compile (apps) ===> Setting paths to [plugins] ===> Setting paths to [deps] ===> Setting paths to [plugins] ===> Setting paths to [plugins] ===> Not adding provider grpc gen from module grpcbox_plugin_prv because it already exists from module grpcbox_plugin_prv ===> Running provider: {grpc,gen} ===> Writing /root/gateway-config/src/grpc/autogen/client/gateway_local_client_pb.erl ===> Uncaught error in rebar_core. Run with DIAGNOSTIC=1 to see stacktrace or consult rebar3.crashdump ===> Uncaught error: undef ===> Stack trace to the error location: [{gpb_compile,file, ["/root/gateway-config/_build/default/lib/helium_proto/src/service/local.proto", [{rename,{msg_fqname,base_name}}, use_packages, {defs_as_proplists,false}, {report_errors,false}, {descriptor,false}, {recursive,false}, {i,"_build/default/lib/helium_proto/src"}, {o,"src/grpc/autogen/client"}, {module_nameprefix,"gateway"}, {module_name_suffix,"_client_pb"}, {rename,{msg_name,{suffix,"_pb"}}}, {strings_as_binaries,false}, type_specs,maps]], []}, {grpcbox_plugin_prv,compile_pb,5, [{file,"/root/gateway-config/_build/default/plugins/grpcbox_plugin/src/grpcbox_plugin_prv.erl"}, {line,141}]}, {grpcbox_plugin_prv,'-handle_app/3-lc$^2/1-2-',5, [{file,"/root/gateway-config/_build/default/plugins/grpcbox_plugin/src/grpcbox_plugin_prv.erl"}, {line,102}]}, {grpcbox_plugin_prv,handle_app,3, [{file,"/root/gateway-config/_build/default/plugins/grpcbox_plugin/src/grpcbox_plugin_prv.erl"}, {line,102}]}, {lists,foreach,2,[{file,"lists.erl"},{line,1338}]}, {grpcbox_plugin_prv,do,1, [{file,"/root/gateway-config/_build/default/plugins/grpcbox_plugin/src/grpcbox_plugin_prv.erl"}, {line,40}]}, {rebar_core,do,2, [{file,"/Users/evan/src/rebar3/src/rebar_core.erl"},{line,155}]}, {rebar_prv_do,do_task,5, [{file,"/Users/evan/src/rebar3/src/rebar_prv_do.erl"}, {line,87}]}] ===> When submitting a bug report, please include the output of rebar3 report "your command" make[1]: [Makefile:46: grpc] Error 1 make[1]: Leaving directory '/root/gateway-config' make: [Makefile:19: compile] Error 2

[madninja]

What version of Erlang are you building with? Realize that gateway_config was only tested and deployed with pretty old versions of Erlang (like 21 or 22 at best)