Thread:Extension talk:Widgets/Purging Page With Widget Gives Notice

I have these in Widget:a: &lt;&#33;--&#123;if &#33;isset(&#36;wgVar) &#124;&#124; &#33;&#36;wgVar}--&gt; &lt;&#33;--&#123;assign var="wgVar" value=true scope="global"&#125;--&gt; &lt;&#33;--&#123;/if&#125;--&gt; And I have these in page b: Everything works fine when I first load the page b, but when I use  to purge b, the following notice appears: Notice: Undefined offset: 1 in /home/server/extensions/Widgets/WidgetRender.php on line 143

MediaWiki Version: 1.24.2 Widgets Version: 1.1 Smarty Version: 3.1.21 PHP Version: 5.5.9 with Zend OpCache 7.0.3 & XCache 3.1.0