react
Missing unique key prop in list
Each child in a list should have a unique "key" prop
Fixes
- 1.Add unique key prop to list items
- 2.Use item.id or unique identifier
- 3.Don't use array index as key if list reorders
warninglistkey
Related Errors
react3 fixes
React hydration mismatch
Hydration failed because.*server rendered HTML.*didn't match
- •Ensure server and client render same content
- •Use suppressHydrationWarning for dynamic content
react3 fixes
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
react3 fixes
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