how come my games are messing up like this and how can i fix it?
None.

We can't explain the universe, just describe it; and we don't know whether our theories are true, we just know they're not wrong. >Harald Lesch
I think
the other topic explains that.
If I ever got that message while the bug took place, I didn't notice it. And none of the other symptoms Zhuiden described (ie, game freezing) took place.
I think it may be a different bug.
None.
It CANNOT be a different bug.
None.
You saying "It CANNOT be a different bug" is not provable whatsoever. For you to say that, you would have to be omniscient of every detail of starcraft and knowing every single possible glitch, which you do not. I've seen WTF-errors in my years, and due to the age of this game, something like this would not surprise me.
"If a topic that clearly interest noone needs to be closed to underline the "we don't want this here" message, is up to debate."
-NudeRaider
I thought it was simply caused by hitting the order limit. I remember experimenting and hitting said limit with 1000 stacked floortraps.
None.
Okay. You can have several players in the game using selection hack to add waypoints to cause the order buffer to be full. But who the heck does that? >.>
None.