Sample is not working. Full error here:
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Error: No page context
at Function._callee$ (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/next-redux-wrapper/lib/index.js:176:25)
at tryCatch (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/regenerator-runtime/runtime.js:62:40)
at Generator.invoke [as _invoke] (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/regenerator-runtime/runtime.js:288:22)
at Generator.prototype.(anonymous function) [as next] (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/regenerator-runtime/runtime.js:114:21)
at step (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/next-redux-wrapper/lib/index.js:18:221)
at _next (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/next-redux-wrapper/lib/index.js:18:409)
at /Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/next-redux-wrapper/lib/index.js:18:477
at new Promise (<anonymous>)
at Function.<anonymous> (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/next-redux-wrapper/lib/index.js:18:97)
at Function.value [as getInitialProps] (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/next-redux-wrapper/lib/index.js:218:25)
at _callee$ (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/next/dist/lib/utils.js:86:30)
at tryCatch (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/regenerator-runtime/runtime.js:62:40)
at Generator.invoke [as _invoke] (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/regenerator-runtime/runtime.js:288:22)
at Generator.prototype.(anonymous function) [as next] (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/regenerator-runtime/runtime.js:114:21)
at asyncGeneratorStep (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/@babel/runtime-corejs2/helpers/asyncToGenerator.js:5:24)
at _next (/Users/max/Downloads/nextjs-redux-firebase-authentication-master/node_modules/@babel/runtime-corejs2/helpers/asyncToGenerator.js:27:9)