Glitch container keeps loosing express module

Glitch Help
1

I keep having my glitch container loosing the express module. I then have to reinstall manually through the console to get it up and running.

Is there a way to prevent this from happening?

module.js:550

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throw err;

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^

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Error: Cannot find module ‘express’

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at Function.Module._resolveFilename (module.js:548:15)

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at Function.Module._load (module.js:475:25)

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at Module.require (module.js:597:17)

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at require (internal/module.js:11:18)

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Jump Toat Object. (/app/server.js:5:17)

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at Module._compile (module.js:653:30)

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at Object.Module._extensions…js (module.js:664:10)

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at Module.load (module.js:566:32)

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at tryModuleLoad (module.js:506:12)

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at Function.Module._load (module.js:498:3)

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