react

flushSync called during render

flushSync.*cannot.*during.*render

Fixes

1.Move flushSync to event handler or useEffect
2.Don't call during component render
3.Use in response to user events only

reactflushSyncrender

Related Errors

React hydration mismatch

Hydration failed because.*server rendered HTML.*didn't match

•Ensure server and client render same content
•Use suppressHydrationWarning for dynamic content

Text content hydration mismatch

Text content does not match server-rendered HTML

•Don't use Date.now() or Math.random() in render
•Use useEffect for client-only values

use client directive error in Server Component

(useClient|use client).*server component

•Add 'use client' at top of file
•Move useState/useEffect to client component