What gameplay feature is this bug affecting?
My kings design

What's the issue? Please include any error messages you receive and as much detail as possible.
I’m unable to add markings to my king and it’s saying I have a heat request that’s none existent and I can’t find it. My king has two marking slots available for me to put the apps on and it isn’t working
Photo for reference https://i.postimg.cc/tg7XDPBJ/IMG-1409.png

Any links relating to this bug? For example, if a particular lion is bugging, what is the link to that lion?

My king aka the lion that’s bugging-https://www.lioden.com/lion.php?mid=464104

Any screenshots you can provide us with?
Photo of me attempting to add marking and the response- https://i.postimg.cc/tg7XDPBJ/IMG-1409.png


Please provide us with step by step explanation how this bug happened so we can attempt to replicate it. If it's complex, please include screenshots where possible:
I have no clue how it started but it occurred today when I was trying to add a marking app to my king and as normal I went to my hoard and clicked on the app, but when I selected the use button it’s saying I can’t modify this lion due to a pending heat request that’s non existent