Cannot read properties of undefined (reading 'push')

When i try to run the following command:

yarn changeset version

I'm getting the following giant error

The following error was encountered while generating changelog entries
We have escaped applying the changesets, and no files should have been affected
🦋  error TypeError: Cannot read properties of undefined (reading 'push')
🦋  error

Here is the version of changesets/cli i'm using:

{
"@changesets/cli": "^2.27.1",
}

I'm running node version: v18.17.1

What is the issue here?

For me, I encounter this as I accidentally edit the changeset and use feat the type.

---
"pkg": feat // <-- should be minor
---

...

For me, the error occurred when I'd added trailing commas:

---
"pkg1": minor, // <-- shouldn't have a comma, semicolon or any trailing character
"pkg2": minor, // <-- shouldn't have a comma, semicolon or any trailing character
---

Should be fixed in #1831

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Cannot read properties of undefined (reading 'push') #1301

When i try to run the following command:

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Cannot read properties of undefined (reading 'push') #1301

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When i try to run the following command:

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unional commented on Mar 22, 2024

yamcodes commented on May 29, 2024

bluwy commented on Jun 26, 2026

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