error when running "node ."

[texo404]

Error: Cannot find module 'discord.js'
Require stack:

• C:\nitro-sniper\src\index.js
  ←[90m at Function.Module._resolveFilename (node:internal/modules/cjs/loader:927:15)←[39m
  ←[90m at Function.Module._load (node:internal/modules/cjs/loader:772:27)←[39m
  ←[90m at Module.require (node:internal/modules/cjs/loader:999:19)←[39m
  ←[90m at require (node:internal/modules/cjs/helpers:93:18)←[39m
  at Object. (C:\nitro-sniper\src\index.js:1:27)
  ←[90m at Module._compile (node:internal/modules/cjs/loader:1095:14)←[39m
  ←[90m at Object.Module._extensions..js (node:internal/modules/cjs/loader:1124:10)←[39m
  ←[90m at Module.load (node:internal/modules/cjs/loader:975:32)←[39m
  ←[90m at Function.Module._load (node:internal/modules/cjs/loader:816:12)←[39m
  ←[90m at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:79:12)←[39m {
  code: ←[32m'MODULE_NOT_FOUND'←[39m,
  requireStack: [ ←[32m'C:\nitro-sniper\src\index.js'←[39m ]
  }