Deployment failed - Github as source

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Running build in Washington, D.C., USA (East) – iad1
Build machine configuration: 2 cores, 8 GB
Cloning github.com/zamarshmallow/malcolom1 (Branch: main, Commit: a25ffe7)
Skipping build cache, deployment was triggered without cache.
Cloning completed: 646.000ms
Running “vercel build”
Vercel CLI 44.7.3
Error: Function Runtimes must have a valid version, for example now-php@1.0.0.

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Error: Function Runtimes must have a valid version means there’s a configuration error. Can you share the vercel.json?