The Oswald-Eugene Counter is there to keep your parks running smoothly by letting you know when your console is unable to process the park you're building. You will need to stop building when it pops up, and simply remove any unwanted items from your park. Then you can get back to building again.
There's more information about the Oswald-Eugene Counter in this thread:
Hello coaster friends! Over the weekend we've loved seeing a lot of you looking forward to Planet Coaster: Console Edition, as well as asking a few questions about how the Oswald-Eugene Counter works. Today we're going to share a bit more on what this helpful tool is and how it works to keep...
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