Can't upload resource files!

[millbj92]

For some reason it isn't allowing me to upload certain resource files in my Downloads section. I am trying to sell software on my site, and have gotten pretty far with Abantecart, but for some reason it just simply isn't letting my upload certain files. The files that it doesn't let me upload tend to be large. The smaller files go through just fine. Here are the error messages i get:

2015-01-12 19:44:30 -

Name
Info
9101::App Warning
Warning! Variable "button_insert" in template "pages/catalog/download.tpl" overriding value and data type "string" Forcing new data type object. Possibly need to review your code! in /home/millbj92/public_html/store/core/engine/view.php on line 199

and

2015-01-12 19:45:05 - App Error: AbanteCart core v.1.2.0 Error: Incorrect or missing resource type null in /home/millbj92/public_html/store/core/lib/resource_manager.php on line 61

[abolabo]

1. what the template do you use?
2. Did you added some types of resources into database manually?