Tag: server-components

3 articles

Fix: Next.js 15 cookies() Should Be Awaited — Route Used cookies, Cannot Modify Errors, and Library Mismatch

Jun 2, 2026

Fix Next.js 15 async cookies() and headers() errors — 'Route used cookies', 'Cookies can only be modified in a Server Action or Route Handler', codemod misses, library compatibility, and TypeScript type mismatches after upgrade.

nextjs react app-router typescript server-components

Fix: React 19 Actions Not Working — useActionState, useFormStatus, useOptimistic, and form action

May 20, 2026

How to fix React 19 actions errors — useActionState signature, form action vs onSubmit, useFormStatus must be in child, useOptimistic state desync, Server Actions in client components, and error handling.

react react-19 forms server-components actions nextjs

Fix: Next.js 'params should be awaited before using its properties'

May 18, 2026

How to fix Next.js 15 async params and searchParams errors — await in Server Components, React.use in Client Components, generateMetadata, generateStaticParams, and the codemod migration path.

nextjs react app-router typescript server-components