Parse react SSR not initialising in next js

[sidwebworks]

RESTController.js?a3b1:331 Uncaught TypeError: Cannot read property 'length' of undefined
    at Object.request (RESTController.js?a3b1:331)
    at eval

Hi I am initialising parse using the code in the package doc.
I used to use parse js sdk where I only used 2 things, the app id and server URL.

here it also had Javascript key. So I added my parse master key
Still no luck

[sidwebworks]

Ah turns out my fault, it didn't prefix my env variables with NEXT_PUBLIC