the plugin has problem with another plugin

I love your plugin, congratulations, it’s the only one I’ve seen (and seen many) that you process to your liking. I have a problem with your plugin; I use another plugin that my users publish without being registered (User Submitted Posts) and in this way I use your plug in so that the posts can be seen, but I get an error because it seems that your plugin prevents other users from posting creating problems, could you help me? Maybe the problem is about permissions, I do not know, but I’ve been looking for a way to make my users’ posts look good and their plugin complies. help. first of all, Thanks