Text layer properties problem after effect

since the last update I'm facing a problem with text layer properties like I have 2 text layers, I apply effect on the first than once I wanna change properties for the second one it effect the first one only , even if I add more text layers and trying to change properties fro the 3rd one for example position it change the position of the first one only , but when I RESTART AE it works for a while than the same problem!