Error
   at /home/ec2-user/imagesearch/node_modules/lunr/lunr.js:2982:34
   at Object.<anonymous> (/home/ec2-user/imagesearch/node_modules/lunr/lunr.js:3475:3)
   at Module._compile (node:internal/modules/cjs/loader:1092:14)
   at Object.Module._extensions..js (node:internal/modules/cjs/loader:1121:10)
   at Module.load (node:internal/modules/cjs/loader:972:32)
   at Function.Module._load (node:internal/modules/cjs/loader:813:14)
   at Module.require (node:internal/modules/cjs/loader:996:19)
   at Module.Hook._require.Module.require (/home/ec2-user/.nvm/versions/node/v15.11.0/lib/node_modules/pm2/node_modules/require-in-the-middle/index.js:80:39)
   at require (node:internal/modules/cjs/helpers:92:18)
   at Object.<anonymous> (/home/ec2-user/imagesearch/app.js:6:12)