I fixed this by changing the line from lua-ls to lua-language-server: https://github.com/nvim-lua/kickstart.nvim/blob/master/init.lua#L617 I think this new issue is probably related to this commit: ...
Lurti is a class library for Lua that, in conjunction with LSP type annotations, builds a type system similar to Python's at runtime, providing features such as meta classes, MRO support, abstract ...