Cannot read properties of null (reading 'prerelease')

Affected Packages

standard-log

Problem

   yarn cs version
🦋  warn ===============================IMPORTANT!===============================
🦋  warn You are in prerelease mode
🦋  warn If you meant to do a normal release you should revert these changes and run `changeset pre exit`
🦋  warn You can then run `changeset version` again to do a normal release
🦋  warn ----------------------------------------------------------------------
🦋  error TypeError: Cannot read properties of null (reading 'prerelease')
🦋  error     at getPreVersion (D:\code\unional\standard-log\node_modules\@changesets\assemble-release-plan\dist\assemble-release-plan.cjs.dev.js:437:27)
🦋  error     at getPreInfo (D:\code\unional\standard-log\node_modules\@changesets\assemble-release-plan\dist\assemble-release-plan.cjs.dev.js:609:43)
🦋  error     at Object.assembleReleasePlan [as default] (D:\code\unional\standard-log\node_modules\@changesets\assemble-release-plan\dist\assemble-release-plan.cjs.dev.js:490:19)
🦋  error     at version (D:\code\unional\standard-log\node_modules\@changesets\cli\dist\cli.cjs.dev.js:599:60)
🦋  error     at async run$2 (D:\code\unional\standard-log\node_modules\@changesets\cli\dist\cli.cjs.dev.js:1337:11)

Proposed solution

Seems like this is a bug with prerelease.

https://github.com/unional/standard-log/runs/6841190529?check_suite_focus=true

Even after I run changeset pre exit, the issue persist. It goes away when I delete the pre.json file.