Common Laravel Beginner Mistakes (and How to Fix Them)

Avoid these common Laravel beginner mistakes — from N+1 queries to mass assignment errors — with clear explanations and fixes for each.

Every Laravel developer makes these mistakes when starting out. This article rounds up the most common ones, why they happen, and exactly how to fix them — so you can skip the frustration. 1. Forgetting $fillable (Mass Assignment Errors) The problem: Illuminate\Database\Eloquent\MassAssignmentException: Add [name] to fillable property Why it happens: Laravel blocks mass assignment by default as a security measure. The fix: Whitelist the fields you want to allow: class Product extends Model { protected $fillable = ['name', 'price', 'description']; } 2. The N+1 Query Problem The problem: Your page loads slowly because of hundreds of unnecessary database queries. // Bad: runs 1 query, then 1 extra query PER post $posts = Post::all(); foreach ($posts as $post) { echo $post->user->name; } The fix: Eager load relationships: $posts = Post::with('user')->get(); 3. Forgetting @csrf in...

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