Lua problems

Couldn’t include file ‘includes\init.lua’ (File not found) (<nowhere>)
Couldn’t include file ‘derma\init.lua’ (File not found) (<nowhere>)
Couldn’t include file ‘includes\modules
otification.lua’ (File not found) (@Startup (line 1))

[ERROR] Startup:1: Module not found!

  1. require - [C]:-1
  2. unknown - Startup:1

Couldn’t include file ‘base\gamemode\cl_init.lua’ (File not found) (<nowhere>)
Couldn’t Load Init Script: ‘base/gamemode/cl_init.lua’

Hello gays , today on the server I started getting lua error. How to fix this error?