Prosidebar dosen't comply anymore

[NecheyGrace]

The Solution is to use

[SURD1618]

npm install react-pro-sidebar@0.7.1

[mutahir-muhammad]

You could switch to the new one here: https://www.npmjs.com/package/react-pro-sidebar
or just install the old version as @SURD1618 said:
npm install react-pro-sidebar@0.7.1