[Solved] You try this in Tinker:$user = new App\Models\User;$user->name = 'John';$user->save();But it throws an error. What is a common cause? | Laravel

Laravel - Database Basics and Migrations

You try this in Tinker:
$user = new App\Models\User;
$user->name = 'John';
$user->save();
But it throws an error. What is a common cause?

AYou forgot to import the User model namespace

BYou must use create() instead of new and save()

CTinker does not support saving new models

DThe 'name' attribute is not fillable or guarded in the User model

Step-by-Step Solution

Solution:

Step 1: Understand mass assignment protection
Laravel models protect attributes via fillable or guarded properties to prevent unwanted mass assignment.
Step 2: Check if 'name' is allowed to be set
If 'name' is not in fillable, save() will fail with mass assignment error.
Final Answer:
The 'name' attribute is not fillable or guarded in the User model -> Option D
Quick Check:
Missing fillable attribute causes save() error [OK]

Quick Trick: Add attributes to fillable to allow save() [OK]

Common Mistakes:

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