Laravel Blade double curly brace not working - laravel

Question

By reading the Laravel documentation, I've understood that I should be able to use {{ }} to escape my strings. However, by doing this, I'm getting an error, but the string works fine if I run {!! !!}. Is there anything I'm missing in my code?
A complete view of the code blade file (login.blade.php)
#extends('layouts.app')
#section('content')
<div class="kt-grid kt-grid--ver kt-grid--root">
<div class="kt-grid kt-grid--hor kt-grid--root kt-login kt-login--v3 kt-login--signin" id="kt_login">
<div class="kt-grid__item kt-grid__item--fluid kt-grid kt-grid--hor" style="background-image: url({{ asset('assets/media//bg/bg-3.jpg);">
<div class="kt-grid__item kt-grid__item--fluid kt-login__wrapper">
<div class="kt-login__container">
<div class="kt-login__logo">
<a href="#">
<img src="assets/media/logos/logo-5.png">
</a>
</div>
<div class="kt-login__signin">
<div class="kt-login__head">
<h3 class="kt-login__title">Sign In To Account</h3>
</div>
<form class="kt-form" method="post" action="/login">
{!! csrf_field() !!}
<div class="input-group">
<input class="form-control" type="text" placeholder="Email" name="email" value="" autocomplete="off">
</div>
<div class="input-group">
<input class="form-control" type="password" placeholder="Password" name="password">
</div>
#if ($errors->any())
#foreach($errors->all() as $error)
<p>{!! error !!}</p>
#endforeach
#endif
<div class="row kt-login__extra">
<div class="col">
<label class="kt-checkbox">
<input type="checkbox" name="remember"> Remember me
<span></span>
</label>
</div>
<div class="col kt-align-right">
Forget Password ?
</div>
</div>
<div class="kt-login__actions">
<button id="kt_login_signin_submit" class="btn btn-brand btn-elevate kt-login__btn-primary">Sign In</button>
</div>
</form>
</div>
<div class="kt-login__account">
<span class="kt-login__account-msg">
Don't have an account yet ?
</span>
Sign Up!
</div>
</div>
</div>
</div>
</div>
</div>
#endsection
Error
ErrorException (E_ERROR) syntax error, unexpected 't' (T_STRING),
expecting ',' or ')' (View:
C:\xampp\htdocs\test\resources\views\auth\login.blade.php) Previous
exceptions syntax error, unexpected 't' (T_STRING), expecting ',' or
')' (0)

Answer 1

You need to make 'error' a variable with double brackets. It's considered an undefined constant otherwise.
#foreach($errors->all() as $error)
<p>{{ $error }}</p>
#endforeach
You also need to add the right curly brace and the missing right single quote for the URL in the asset() helper function.
<div class="kt-grid__item kt-grid__item--fluid kt-grid kt-grid--hor"
style="background-image: url({{ asset('assets/media/bg/bg-3.jpg') }}">