Sigo recibiendo este error. No recuerdo haber cambiado ninguna parte del código, funcionaba bien.

 Class extends value undefined is not a constructor or null 17:04:41 at Object.<anonymous> (node_modules\extract-css-chunks-webpack-plugin\dist\CssDependency.js:12:46) at Module._compile (node:internal/modules/cjs/loader:1101:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1153:10) at Module.load (node:internal/modules/cjs/loader:981:32) at Function.Module._load (node:internal/modules/cjs/loader:822:12) at Module.require (node:internal/modules/cjs/loader:1005:19) at require (node:internal/modules/cjs/helpers:102:18) at Object.<anonymous> (node_modules\extract-css-chunks-webpack-plugin\dist\index.js:14:45) at Module._compile (node:internal/modules/cjs/loader:1101:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1153:10) at Module.load (node:internal/modules/cjs/loader:981:32) at Function.Module._load (node:internal/modules/cjs/loader:822:12) at Module.require (node:internal/modules/cjs/loader:1005:19) at require (node:internal/modules/cjs/helpers:102:18) at Object.<anonymous> (node_modules\extract-css-chunks-webpack-plugin\dist\cjs.js:3:18) at Module._compile (node:internal/modules/cjs/loader:1101:14)