After having problems even getting up and running in general, I gotta say this is pretty frustrating to have this exact problem.
System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
@robodair I don't find your comment true at all. I added some PNG files to the pipeline tool, clicked "save", and then closed the Pipeline. Then tried to "build the solution" in visual and I get this:
When trying to Load a Texture2D. No XNB is never built.
It's especially frustrating as this seems a 6 month+ old problem and is replicated by multiple users. I found this issue on Github:
And the solution there says to use the current development version. Is there a place to download that, or do I have to compile it myself?