Ay yi yi, I accidentally deleted the path in the back of a ride near the exit and man were those peeps not happy.
Messed up and should've just put a bunch of entertainers and security guards in the upset crowd instead of letting them loose and having to reload an earlier save due to the Park Rating plummeting. Kind of a prime example of how the "keep Park Rating above x number" objective can suddenly sneak up and ruin you.
There's another tower you need to delete in this scenario since the guest will get stuck up there and get lost, and don't forget to get rid of the cash machine too!
Feel free to support the devs for amazing QoL/continued support for a 20+ year old game that formed a core memory for many people's childhoods. Chris Sawyer, you're awesome for making this game, and the OpenRCT2 team is awesome for modernizing it.