PHP Notice: Undefined offset: 2 in blog_templates.php on line 334

This is just a notice I want to report to the devs so they can improve their code. It's not breaking anything, just a notice:

[31-Oct-2014 06:38:09 UTC] PHP Notice: Undefined offset: 2 in /wp-content/plugins/blogtemplates/blogtemplatesfiles/blog_templates.php on line 334