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Hi everyone, I am new to Open Source, during the d...
# developers
p
Hi everyone, I am new to Open Source, during the development on the local system I got the below errors on command 
yarn dx
. Some of them are: 
Module not found: Can't resolve 'encoding' in '/mnt/c/Users/teoti/Desktop/Open source/cal.com/packages/prisma/node_modules/@prisma/client/runtime'
Error: ENOENT: no such file or directory, open '/mnt/c/Users/teoti/Desktop/Open source/cal.com/apps/web/.next/server/pages/api/auth/schema.prisma'
<https://next-auth.js.org/errors#client_fetch_error> invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0
TypeError: Cannot read properties of undefined (reading 'UNLIMITED')
Full flow 
@calcom/web:dx: wait  - compiling...
@calcom/web:dx: warn  - ../../packages/prisma/node_modules/@prisma/client/runtime/index.js
@calcom/web:dx: Module not found: Can't resolve 'encoding' in '/mnt/c/Users/teoti/Desktop/Open source/cal.com/packages/prisma/node_modules/@prisma/client/runtime'
@calcom/web:dx: error - Error: ENOENT: no such file or directory, open '/mnt/c/Users/teoti/Desktop/Open source/cal.com/apps/web/.next/server/pages/api/auth/schema.prisma'
@calcom/web:dx: error - Error: ENOENT: no such file or directory, open '/mnt/c/Users/teoti/Desktop/Open source/cal.com/apps/web/.next/server/pages/api/auth/schema.prisma'
@calcom/web:dx: warn  - ../../packages/prisma/node_modules/@prisma/client/runtime/index.js
@calcom/web:dx: Module not found: Can't resolve 'encoding' in '/mnt/c/Users/teoti/Desktop/Open source/cal.com/packages/prisma/node_modules/@prisma/client/runtime'
@calcom/web:dx: wait  - compiling /500 (client and server)...
@calcom/web:dx: wait  - compiling...
@calcom/web:dx: event - compiled client and server successfully in 2.5s (704 modules)
@calcom/web:dx: [next-auth][error][CLIENT_FETCH_ERROR]
@calcom/web:dx: <https://next-auth.js.org/errors#client_fetch_error> invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0 {
@calcom/web:dx:   error: {
@calcom/web:dx:     message: 'invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0',
@calcom/web:dx:     stack: 'FetchError: invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0\n' +
@calcom/web:dx:       '    at /mnt/c/Users/teoti/Desktop/Open source/cal.com/node_modules/next/dist/compiled/node-fetch/index.js:1:49606\n' +
@calcom/web:dx:       '    at runMicrotasks (<anonymous>)\n' +
@calcom/web:dx:       '    at processTicksAndRejections (node:internal/process/task_queues:96:5)',
@calcom/web:dx:     name: 'FetchError'
@calcom/web:dx:   },
@calcom/web:dx:   path: 'session',
@calcom/web:dx:   header: {
@calcom/web:dx:     host: 'localhost:3000',
@calcom/web:dx:     connection: 'keep-alive',
@calcom/web:dx:     'cache-control': 'max-age=0',
@calcom/web:dx:     'sec-ch-ua': '" Not A;Brand";v="99", "Chromium";v="102", "Google Chrome";v="102"',
@calcom/web:dx:     'sec-ch-ua-mobile': '?0',
@calcom/web:dx:     'sec-ch-ua-platform': '"Windows"',
@calcom/web:dx:     'upgrade-insecure-requests': '1',
@calcom/web:dx:     'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36',
@calcom/web:dx:     accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
@calcom/web:dx:     'sec-fetch-site': 'none',
@calcom/web:dx:     'sec-fetch-mode': 'navigate',
@calcom/web:dx:     'sec-fetch-user': '?1',
@calcom/web:dx:     'sec-fetch-dest': 'document',
@calcom/web:dx:     'accept-encoding': 'gzip, deflate, br',
@calcom/web:dx:     'accept-language': 'en-GB,en-US;q=0.9,en;q=0.8'
@calcom/web:dx:   },
@calcom/web:dx:   message: 'invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0'
@calcom/web:dx: }
@calcom/web:dx: [next-auth][error][CLIENT_FETCH_ERROR]
@calcom/web:dx: <https://next-auth.js.org/errors#client_fetch_error> invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0 {
@calcom/web:dx:   error: {
@calcom/web:dx:     message: 'invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0',
@calcom/web:dx:     stack: 'FetchError: invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0\n' +
@calcom/web:dx:       '    at /mnt/c/Users/teoti/Desktop/Open source/cal.com/node_modules/next/dist/compiled/node-fetch/index.js:1:49606\n' +
@calcom/web:dx:       '    at runMicrotasks (<anonymous>)\n' +
@calcom/web:dx:       '    at processTicksAndRejections (node:internal/process/task_queues:96:5)',
@calcom/web:dx:     name: 'FetchError'
@calcom/web:dx:   },
@calcom/web:dx:   path: 'session',
@calcom/web:dx:   header: {
@calcom/web:dx:     host: 'localhost:3000',
@calcom/web:dx:     connection: 'keep-alive',
@calcom/web:dx:     'cache-control': 'max-age=0',
@calcom/web:dx:     'sec-ch-ua': '" Not A;Brand";v="99", "Chromium";v="102", "Google Chrome";v="102"',
@calcom/web:dx:     'sec-ch-ua-mobile': '?0',
@calcom/web:dx:     'sec-ch-ua-platform': '"Windows"',
@calcom/web:dx:     'upgrade-insecure-requests': '1',
@calcom/web:dx:     'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36',
@calcom/web:dx:     accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
@calcom/web:dx:     'sec-fetch-site': 'none',
@calcom/web:dx:     'sec-fetch-mode': 'navigate',
@calcom/web:dx:     'sec-fetch-user': '?1',
@calcom/web:dx:     'sec-fetch-dest': 'document',
@calcom/web:dx:     'accept-encoding': 'gzip, deflate, br',
@calcom/web:dx:     'accept-language': 'en-GB,en-US;q=0.9,en;q=0.8'
@calcom/web:dx:   },
@calcom/web:dx:   message: 'invalid json response body at <http://localhost:3000/api/auth/session> reason: Unexpected token < in JSON at position 0'
@calcom/web:dx: }
@calcom/web:dx: wait  - compiling /_middleware...
@calcom/web:dx: wait  - compiling...
@calcom/web:dx: event - compiled client and server successfully in 518 ms (766 modules)
@calcom/web:dx: wait  - compiling /auth/login (client and server)...
@calcom/web:dx: wait  - compiling...
@calcom/web:dx: warn  - ../../packages/prisma/node_modules/@prisma/client/runtime/index.js
@calcom/web:dx: Module not found: Can't resolve 'encoding' in '/mnt/c/Users/teoti/Desktop/Open source/cal.com/packages/prisma/node_modules/@prisma/client/runtime'
@calcom/web:dx: warn  - ../../packages/prisma/node_modules/@prisma/client/runtime/index.js
@calcom/web:dx: Module not found: Can't resolve 'encoding' in '/mnt/c/Users/teoti/Desktop/Open source/cal.com/packages/prisma/node_modules/@prisma/client/runtime'
@calcom/web:dx: wait  - compiling /[user]/[type] (client and server)...
@calcom/web:dx: wait  - compiling...
@calcom/web:dx: warn  - ../../packages/prisma/node_modules/@prisma/client/runtime/index.js
@calcom/web:dx: Module not found: Can't resolve 'encoding' in '/mnt/c/Users/teoti/Desktop/Open source/cal.com/packages/prisma/node_modules/@prisma/client/runtime'
@calcom/web:dx: warn  - ../../packages/prisma/node_modules/@prisma/client/runtime/index.js
@calcom/web:dx: Module not found: Can't resolve 'encoding' in '/mnt/c/Users/teoti/Desktop/Open source/cal.com/packages/prisma/node_modules/@prisma/client/runtime'
@calcom/web:dx: wait  - compiling /500 (client and server)...
@calcom/web:dx: wait  - compiling...
@calcom/web:dx: warn  - ../../packages/prisma/node_modules/@prisma/client/runtime/index.js
@calcom/web:dx: Module not found: Can't resolve 'encoding' in '/mnt/c/Users/teoti/Desktop/Open source/cal.com/packages/prisma/node_modules/@prisma/client/runtime'
@calcom/web:dx: error - ../../packages/lib/defaultEvents.ts (40:14) @ eval
@calcom/web:dx: TypeError: Cannot read properties of undefined (reading 'UNLIMITED')
@calcom/web:dx:   38 |   beforeEventBuffer: 0,
@calcom/web:dx:   39 |   afterEventBuffer: 0,
@calcom/web:dx: > 40 |   periodType: PeriodType.UNLIMITED,
@calcom/web:dx:      |              ^
@calcom/web:dx:   41 |   periodDays: null,
@calcom/web:dx:   42 |   slotInterval: null,
@calcom/web:dx:   43 |   locations: [{ type: "integrations:daily" }],
@calcom/web:dx: warn  - ../../packages/prisma/node_modules/@prisma/client/runtime/index.js
h
Looks like faulty node_modules. can you try 
yarn clean
yarn install
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