Try this:

Go to the Settings folder in the user path (same as where the mods go, just \Setting instead of \Mods.
Open user.setting and at the bottom change showErrors to TRUE.

When the game minidumps, if it's because of something wrong with an .entity file it will show you which file and which line, along with a short description of what it was expecting.

If it still does a generic minidump, it's some deeper issue and you'd probably have to email the dump file support@ironcladgames.com to see if they can tell you what exactly causes it. Sometimes AI causes minidumps with modded files >.>

Did you use an ability exactly when it minidumped? It looks like the entity files are okay, but the code doesn't like a targeting parameter you changed somewhere..

That's an interesting discovery, about the conversion and replacing core files. I dunno what if anything IC will do about it, but it may not be a bad idea to let them know. I'd say zip up both your mod and your binary replacements and describe the situation in an email to support@ironcladgames.com, and be specific. Include the minidump too and the screenshot - the more info you provide the easier it'll be for them and the more likely they are to look into it, since traditionally they don't like to spend too much time on mod issues