next-auth: "UnhandledPromiseRejectionWarning: TypeError: Cannot read property '0' of undefined" error when connecting to http://localhost:3000/api/auth/signin

Your question UnhandledPromiseRejectionWarning: TypeError: Cannot read property ‘0’ of undefined when visiting http://localhost:3000/api/auth/signin

What are you trying to do I’m trying to set up a simple user authentification with MongoDB following this tutorial - https://blog.logrocket.com/using-authentication-in-next-js/ Getting the below error when visiting http://localhost:3000/api/auth/signin

Similar to this issue - https://github.com/nextauthjs/next-auth/issues/636

I checked the filenaming and dir

Full error below

Thanks in advance for any help!

(node:15228) UnhandledPromiseRejectionWarning: TypeError: Cannot read property ‘0’ of undefined at C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:68:28 at Generator.next (<anonymous>) at asyncGeneratorStep (C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:48:103) at _next (C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:50:194) at C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:50:364 at new Promise (<anonymous>) at C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:50:97 at C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:342:22 at new Promise (<anonymous>) at C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:58:12 at Generator.next (<anonymous>) at asyncGeneratorStep (C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:48:103) at _next (C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:50:194) at C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:50:364 at new Promise (<anonymous>) at C:\Users\simon.edge\PROJECTS\FromGrave\nexts-blog\node_modules\next-auth\dist\server\index.js:50:97 (node:15228) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 10)

Reproduction

Feedback Documentation refers to searching through online documentation, code comments and issue history. The example project refers to next-auth-example.

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