URGG! react native form submission (I have a technical test monday morning :((((( )

when I submit my form after the challenge I got this error, so I gave up and I started following the tutorial sadddly got the same error again :

Server started on port 9000…
SyntaxError: Unexpected token ‘n’, “#” is not valid JSON
at JSON.parse ()
at createStrictSyntaxError (C:\Users\21658\Desktop\react_native\proj\Backend\node_modules\body-parser\lib\types\json.js:158:10)
at parse (C:\Users\21658\Desktop\react_native\proj\Backend\node_modules\body-parser\lib\types\json.js:83:15)
at C:\Users\21658\Desktop\react_native\proj\Backend\node_modules\body-parser\lib\read.js:121:18
at invokeCallback (C:\Users\21658\Desktop\react_native\proj\Backend\node_modules\raw-body\index.js:224:16)
at done (C:\Users\21658\Desktop\react_native\proj\Backend\node_modules\raw-body\index.js:213:7)
at IncomingMessage.onEnd (C:\Users\21658\Desktop\react_native\proj\Backend\node_modules\raw-body\index.js:273:7)
at IncomingMessage.emit (node:events:514:28)
at endReadableNT (node:internal/streams/readable:1589:12)
at process.processTicksAndRejections (node:internal/process/task_queues:82:21)

found the solution here :