Help me pls I have some mistakes

Error: Cannot find module ‘merge-descriptors’

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at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)

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at Function.Module._load (internal/modules/cjs/loader.js:508:25)

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at Module.require (internal/modules/cjs/loader.js:637:17)

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at require (internal/modules/cjs/helpers.js:22:18)

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at Object. (/rbd/pnpm-volume/e7b360a7-3c7a-4330-bb97-6c0fbc37f966/node_modules/.registry.npmjs.org/express/4.17.1/node_modules/express/lib/express.js:17:13)

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at Module._compile (internal/modules/cjs/loader.js:701:30)

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at Object.Module._extensions…js (internal/modules/cjs/loader.js:712:10)

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at Module.load (internal/modules/cjs/loader.js:600:32)

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at tryModuleLoad (internal/modules/cjs/loader.js:539:12)

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at Function.Module._load (internal/modules/cjs/loader.js:531:3)

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a few seconds ago

internal/modules/cjs/loader.js:584

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throw err;

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^

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Error: Cannot find module ‘merge-descriptors’

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at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)

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at Function.Module._load (internal/modules/cjs/loader.js:508:25)

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at Module.require (internal/modules/cjs/loader.js:637:17)

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at require (internal/modules/cjs/helpers.js:22:18)

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at Object. (/rbd/pnpm-volume/e7b360a7-3c7a-4330-bb97-6c0fbc37f966/node_modules/.registry.npmjs.org/express/4.17.1/node_modules/express/lib/express.js:17:13)

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at Module._compile (internal/modules/cjs/loader.js:701:30)

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at Object.Module._extensions…js (internal/modules/cjs/loader.js:712:10)

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at Module.load (internal/modules/cjs/loader.js:600:32)

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at tryModuleLoad (internal/modules/cjs/loader.js:539:12)

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at Function.Module._load (internal/modules/cjs/loader.js:531:3)

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Have you downloaded the module yet. If you are using nodejs its npm install merge-descriptors