Ok it think i have a way to replicate. This issue mostly happens when you attach a preview mesh in it and when you’re translating in local coordinate system (there might be other use cases where this happens, for example, on the image of my first post i don’t have a preview mesh and it was the same issue). I’ve created a [test project][1] that you can try. Simply open the mannequin and select the thigh_lSocket, put it in translation mode and in local coordinate system, then move the camera to match the following position (some positions work, others simply dont allow you to select an axis) :
