Error Message

$ npm install
npm WARN old lockfile
npm WARN old lockfile The package-lock.json file was created with an old version of npm,
npm WARN old lockfile so supplemental metadata must be fetched from the registry.
npm WARN old lockfile
npm WARN old lockfile This is a one-time fix-up, please be patient...
npm WARN old lockfile
npm WARN deprecated har-validator@5.1.5: this library is no longer supported
npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known
to be problematic. See https://v8.dev/blog/math-random for details.
npm WARN deprecated request@2.88.2: request has been deprecated, see request/request#3142
npm ERR! code 1
npm ERR! path node_modules/opencv4nodejs
npm ERR! command failed
npm ERR! command sh -c node ./install/install.js
npm ERR! info install using lib dir: node_modules/opencv-build/opencv/build/lib
npm ERR! node_modules/opencv4nodejs/install/install.js:37
npm ERR! throw new Error('library dir does not exist: ' + libDir)
npm ERR! ^
npm ERR!
npm ERR! Error: library dir does not exist: node_modules/opencv-build/opencv/build/lib
npm ERR! at Object. (node_modules/opencv4nodejs/install/install.js:37:9)
npm ERR! at Module._compile (node:internal/modules/cjs/loader:1105:14)
npm ERR! at Object.Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
npm ERR! at Module.load (node:internal/modules/cjs/loader:981:32)
npm ERR! at Function.Module._load (node:internal/modules/cjs/loader:822:12)
npm ERR! at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12)
npm ERR! at node:internal/main/run_main_module:17:47

I tried with and without OPENCV4NODEJS_DISABLE_AUTOBUILD flag set.
OpenCV version 5.6.0

With OpenCV-contrib? no

OS: Ubuntu