How to Fix the `TypeError: Attempted to Assign to Readonly Property` Error

If you’ve encountered the following error in your Next.js codebase or any JavaScript codebase: TypeError: Attempted to assign to readonly property Don’t worry! This error is not specific to Next.js and can occur in any JavaScript project. After some debugging, I discovered that the issue was related to a database column where I stored data as JSON. The problem arose when I tried to update this JSON object using dot syntax (e....