GZDoom Builder vs my project - Getting weird errors...

[Skwirl]

When I run my mod standalone, I get absolutely no errors.

When I test run it in GZDoom Builder, I get an entire list of errors, including duplicate skins and items.

What is going on, and how do I fix it?

I tried starting fresh, reselecting the data and clearing out those .bak files and such, but it still comes up.

The reason I want this error gone? I thought my game blew up. Whenever I shot, it dryfired; even though there clearly are bullets ready to go.

Here's the project: https://github.com/Tricorne-Games/Countryball-Combat (the mod work itself is the CNBLCMBT directory)

[Blue Shadow]

Are you inadvertently loading your mod more than once?

[Graf Zahl]

Looks like it.

[Skwirl]

You guys were both right. But it was very subtle.

Turns out the sourceport I was testing with, I updated the .ini file so it reads the whole directory as a mod, so in GZDB I loaded the mod, and so did the sourceport, hence the twice-over.