Doesn't deploy with vercel

[typeset-design]

Just tried to deploy this and getting this error message: Any ideas? Thanks

15:56:55	Cloning completed: 468.988ms
15:56:55	Analyzing source code...
15:56:56	Installing build runtime...
15:57:00	Build runtime installed: 3.267s
15:57:03	Looking up build cache...
15:57:03	Build cache not found
15:57:05	Installing dependencies...
15:57:05	yarn install v1.22.10
15:57:05	[1/4] Resolving packages...
15:57:10	[2/4] Fetching packages...
15:57:20	info [email protected]: The platform "linux" is incompatible with this module.
15:57:20	info "[email protected]" is an optional dependency and failed compatibility check. Excluding it from installation.
15:57:20	[3/4] Linking dependencies...
15:57:20	warning "@reflexjs/mdx > reflexjs > theme-ui > @theme-ui/[email protected]" has incorrect peer dependency "@theme-ui/[email protected]".
15:57:20	warning "next-mdx > [email protected]" has incorrect peer dependency "react@>=16.13.1 <=17.0.1".
15:57:20	warning "next-mdx > [email protected]" has incorrect peer dependency "react-dom@>=16.13.1 <=17.0.1".
15:57:24	[4/4] Building fresh packages...
15:57:25	success Saved lockfile.
15:57:25	Done in 19.13s.
15:57:25	Detected Next.js version: 10.2.0
15:57:25	Running "yarn run build"
15:57:25	yarn run v1.22.10
15:57:25	$ next build
15:57:26	info - Using webpack 5. Reason: no custom webpack configuration in next.config.js https://nextjs.org/docs/messages/webpack5
15:57:26	info - Checking validity of types...
15:57:26	Attention: Next.js now collects completely anonymous telemetry regarding usage.
15:57:26	This information is used to shape Next.js' roadmap and prioritize features.
15:57:26	You can learn more, including how to opt-out if you'd not like to participate in this anonymous program, by visiting the following URL:
15:57:26	https://nextjs.org/telemetry
15:57:31	Failed to compile.
15:57:31	./pages/_app.tsx:8:20
15:57:31	Type error: Type '{ useRootStyles: boolean; initialColorModeName: string; colors: { text: string; textLighter: string; link: string; background: string; heading: string; primary: string; primaryHover: string; secondary: string; ... 9 more ...; modes: { ...; }; }; ... 25 more ...; icons: { ...; }; }' is not assignable to type 'Theme | ((outerTheme: Theme) => Theme)'.
15:57:31	Type '{ useRootStyles: boolean; initialColorModeName: string; colors: { text: string; textLighter: string; link: string; background: string; heading: string; primary: string; primaryHover: string; secondary: string; ... 9 more ...; modes: { ...; }; }; ... 25 more ...; icons: { ...; }; }' is not assignable to type 'Theme'.
15:57:31	Types of property 'fontWeights' are incompatible.
15:57:31	Type '{ hairline: string; thin: string; light: string; normal: string; medium: string; semibold: string; bold: string; extrabold: string; black: string; }' is not assignable to type 'Scale'.
15:57:31	Type '{ hairline: string; thin: string; light: string; normal: string; medium: string; semibold: string; bold: string; extrabold: string; black: string; }' is not assignable to type 'ScaleDict'.
15:57:31	Property 'hairline' is incompatible with index signature.
15:57:31	Type 'string' is not assignable to type 'FontWeight | FontWeight[] | NestedScaleDict'.
15:57:31	6 | export default function App({ Component, pageProps }: AppProps) {
15:57:31	7 | return (
15:57:31	> 8 |
15:57:31	| ^
15:57:31	9 | <Component {...pageProps} />
15:57:31	10 |
15:57:31	11 | )
15:57:31	error Command failed with exit code 1.
15:57:31	info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
15:57:31	Error: Command "yarn run build" exited with 1