Solve Vue project Cannot read properties of null (reading 'pickAlgorithm')

problem causes:

When importing the Vue project and using "npm install" to install node_moduels, the terminal error is as follows:

 Solution:

One: Enter the command line in the terminal or find the npmCache cache directory and delete it:

 npm cache clear --force

Two: Re-run the "npm install" command

Success is as shown in the figure below: 

 Three: Run npm run serve to work