error coming while running npm start

[Shivendra12131]

Starting the development server...

/Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/react-scripts/scripts/start.js:19 throw err; ^

Error: error:0308010C:digital envelope routines::unsupported at new Hash (node:internal/crypto/hash:68:19) at Object.createHash (node:crypto:138:10) at module.exports (/Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/webpack/lib/util/createHash.js:135:53) at NormalModule._initBuildHash (/Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/webpack/lib/NormalModule.js:417:16) at /Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/webpack/lib/NormalModule.js:452:10 at /Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/webpack/lib/NormalModule.js:323:13 at /Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/loader-runner/lib/LoaderRunner.js:367:11 at /Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/loader-runner/lib/LoaderRunner.js:233:18 at context.callback (/Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/loader-runner/lib/LoaderRunner.js:111:13) at /Users/shivendra/Desktop/new_project/Hostel-Management/frontend/node_modules/babel-loader/lib/index.js:59:103 { opensslErrorStack: [ 'error:03000086:digital envelope routines::initialization error' ], library: 'digital envelope routines', reason: 'unsupported', code: 'ERR_OSSL_EVP_UNSUPPORTED' }

Node.js v21.1.0 shivendra@Shivendras-MacBook-Air frontend % node server.js node:internal/modules/cjs/loader:1147 throw err; ^

Error: Cannot find module '/Users/shivendra/Desktop/new_project/Hostel-Management/frontend/server.js' at Module._resolveFilename (node:internal/modules/cjs/loader:1144:15) at Module._load (node:internal/modules/cjs/loader:985:27) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:135:12) at node:internal/main/run_main_module:28:49 { code: 'MODULE_NOT_FOUND', requireStack: [] }

Node.js v21.1.0