Rune Page Bug

So, I went into a game. I had my favorite One-Trick champion ready, , But I saw one of the worst possible champion junglers to play against, , then even more horror came to me when I saw on their team as well. Now, I realized at this time that Udyr was not the jungler, and it was Warwick, and let me just say, screw Warwick, but aside from I realized "I am boned if I go Kha'Zix," so I lock in , And so I went to edit my rune page. And this is where the Bug came in. When I saved the Rune Page, there was 1 second left on the clock. All was safe. No error message or nothing. good ol' Tank sorc page, until I saw in the loading screen that I'm running a Predator sorc page. I tried to use the page to my best ability,considering it wasn't what I left it on, but to no avail, ended up losing. Well, team surrendered, Why surrender normals? So I got and look at my rune pages, and guess what, non of them are Predator Sorc pages, and my Grasp sorc page was saved.

So the question is what happened?

My hypothesis is that the because it had one second, it didn't just switch out the runes, or if it did, it only swaped out the secondary runes. This is where the bug can be found. And maybe Riot might be able to fix it. By wither allowing for a quick error message or something, cause that was an issue. It should be replicate-able by changing a rune page to something completely different then saving it at the 1-2 second mark. And yes, I do mean 1-2 seconds mark after champions are selected and you're about to go into game.