how to solve these problem in php
<p>Helo. i have 2 questions to ask. </p>

<p>1st.. </p>

<pre><code>Notice: Uninitialized string offset: 98 in C:\wamp\www\gk_yourshop_quickstart\components\com_k2store\helpers\shopping_cart.class.php on line 74 
</code></pre>

<p>im asking : what exactly they try to tell us?? what the error.</p>

<p>and 
2nd..</p>

<pre><code>Notice: Undefined property: K2StoreViewMyCart::$summary in C:\wamp\www\gk_yourshop_quickstart\components\com_k2store\views\mycart\tmpl\ajax.php on line 47
</code></pre>

<p>im asking : whats the meaning of this. not find k2storeviewmycart??</p>

<p>actually i dont know to much in coding. so i can't solve with myself. i need helping from all of u. thanks.</p>
