Simon

please confirm the client is or not support authentication, thx

> Check how your Lua installation was built. lua_objlen is only available if you compile Lua with certain compatibility flags: https://www.lua.org/source/5.3/luaconf.h.html It was renamed to lua_rawlen in 5.2. You need...

能搞一个gitbook之类的么，可以在线看，或者转化为pdf

I meet this error also! @benashford

mark