PHP

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 [AppPost]

protected $fillable = ['title'];

to fillable property to allow mass assignment on

protected $fillable = ['title'];

Add [title] to fillable property to allow mass assignment on

protected $fillabel = ['name','slug'];