NextJs 15 : ✅ Fix useActionState Error by Separating Server Action in Next.js

In this video, we solve a common error in Next.js App Router when using useActionState alongside a server action.
Since useActionState is a client-side React hook, combining it with a server action like CreateProduct in the same file leads to an error ❌.

🎯 In this tutorial, we’ll fix this by separating the server action into its own file and ensuring a clean, maintainable structure.
By the end, you’ll have a fully working solution with clear separation between client and server logic 💡.

⏱️ ✨ Chapters:
00:00 🚀 Introduction and Problem Statement
01:14 🛠️ Setting Up the Server Action
01:29 📁 Creating the Actions File
01:41 ⚙️ Configuring the Server Directive
03:57 🧩 Updating the Page Component
05:56 ❗ Handling Form Submission Errors
07:31 ✅ Form Validation Success
09:12 🏁 Conclusion

💡 What You'll Learn:
Why useActionState and server actions can't live in the same file
How to properly separate server logic in Next.js 14+
Best practices to prevent runtime errors and build cleaner apps

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Видео NextJs 15 : ✅ Fix useActionState Error by Separating Server Action in Next.js канала Web Coding With Ankur