Can't read property of hash when adding plugin

[DerArkeN]

`D:\Aaron\Coding\untis-google-web\node_modules\webpack\lib\NormalModule.js:1353
hash.update(this.buildInfo.hash);
^

TypeError: Cannot read properties of undefined (reading 'hash')
at NormalModule.updateHash (D:\Aaron\Coding\untis-google-web\node_modules\webpack\lib\NormalModule.js:1353:30)
at Compilation._createModuleHash (D:\Aaron\Coding\untis-google-web\node_modules\webpack\lib\Compilation.js:3935:10)
at Compilation.createModuleHashes (D:\Aaron\Coding\untis-google-web\node_modules\webpack\lib\Compilation.js:3902:25)
at D:\Aaron\Coding\untis-google-web\node_modules\webpack\lib\Compilation.js:3009:11
at Hook.eval [as callAsync] (eval at create (D:\Aaron\Coding\untis-google-web\node_modules\tapable\lib\HookCodeFactory.js:33:10), :6:1)
at Hook.CALL_ASYNC_DELEGATE [as _callAsync] (D:\Aaron\Coding\untis-google-web\node_modules\tapable\lib\Hook.js:18:14)
at D:\Aaron\Coding\untis-google-web\node_modules\webpack\lib\Compilation.js:2965:36
at Hook.eval [as callAsync] (eval at create (D:\Aaron\Coding\untis-google-web\node_modules\tapable\lib\HookCodeFactory.js:33:10), :6:1)
at Hook.CALL_ASYNC_DELEGATE [as _callAsync] (D:\Aaron\Coding\untis-google-web\node_modules\tapable\lib\Hook.js:18:14)
at Compilation.seal (D:\Aaron\Coding\untis-google-web\node_modules\webpack\lib\Compilation.js:2956:27)`

after adding the plugin to the webpack config.

[Richienb]

Try this solution: mzgoddard/hard-source-webpack-plugin#416 (comment)