Poweramp build number = build-905--arm64-play [905004-96b6d050] Full Version 64bit
your device model = Sony Walkman A105
your Android version = 9.0
steps to reproduce = plays the 10 built in spectrum visualizers fine but trying to play any other visualizer immediately crashes the app and causes the app to crash on any subsequent attempts to open the app. only way to use the app again after this happens is by clearing all data or reinstalling the app.