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Error: Error serializing .allPosts[0].excerpt returned from getStaticProps in "/".
Reason: undefined cannot be serialized as JSON. Please use null or omit this value all together.
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I tried to run this example:
https://github.com/vercel/next.js/tree/canary/examples/cms-contentful
when in "Step 6. Run Next.js in development mode"
i got this error message
Error: Error serializing
.allPosts[0].excerptreturned fromgetStaticPropsin "/".Reason:
undefinedcannot be serialized as JSON. Please usenullor omit this value all together.i'm new in javascript, please help
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