PC. It's happen (for me) only in the "outer" circle of keeps (Rayles, Farragut, black boot etc) and only when the keep is under attack.
PC EU - PVP - CP 2700+ Win 11 Home 64-bit - 32GB - SSD 1000GB - Intel(R) Core(TM) Ultra 7 265K (20 CPUs), ~3.9GHz - NVIDIA GeForce RTX 5080