sketch 52.3 and the 15.11 version symbol page totally messed up. invisible artboards organized, overlaying symbols
my symbol page is chaos, the artboards organized like visible content not clickable different location, the editable version invisible. overlapping symbols, a total mess. 
![padaam_android_2019_sketch](https://user-images.githubusercontent.com/15214130/55714137-58e6f700-59f2-11e9-9f47-a58f658e4789.jpg)