Answers for "add [titel] to fillable property to allow mass assignment on"

Add [nom] to fillable property to allow mass assignment

// you var are not fillable, you have to set them fillable

protected $fillable = ['var1', 'var2', 'etc'];

//now you can fill your vars

Add [title] to fillable property to allow mass assignment on [App\Post]

protected $fillable = ['title'];