Basically what the title says, every time I use IK constraints and re-order something unrelated in the tree the constraints break. So for instance if I am setting up bones for legs with IK and then hop up to the head to add a bone for hair or something completely removed from the IK and I accidentally put that bone under the root by accident. If I drag that bone to the head bone every IK in the file breaks. Same if I drag a slot or attachment. This essentially kills all the bones in the entire file; undoing will hollow the bone showing that the IK is re-instated but the IK handle will have no influence over the bone. Rebinding the IK to that bone does the same thing. It looks bound, shows that it should have %100 influence in the toolbar but has no effect when moving it. I have to recreate those bones from scratch. Is there a way to prevent this?

Note: This only happens on my computer, if I send my project file to other team members it doesn't happen.