Type error for onLogout function

[roya-ccl]

faustjs/packages/experimental-app-router/docs/onlogout-server-action.md

Line 13 in 8f133f5

<form action={onLogout}>

there is a typescript error on the my-account > page.tsx file on the form tag

.
It prevents the production build of Next JS app. Not sure if you encountered this issue during the production build.

Type error: Type '() => Promise' is not assignable to type 'string | ((formData: FormData) => void | Promise)'

A solution to this would be really appreciated!! Thanks!