Shiny when re/loading wave with another wave in edit mode

Attempt to reload/load new wave while editing current wave causes shiny.
Steps to reproduce:
1. Login to WAIB and open some wave.
2. Enter edit mode and write some text.
3. Click on some snippet on the search panel to reload the wave without leaving the edit mode.
Expected: The wave is reloaded with all text.
Actual: Shiny

Stack trace:

Token: 1319878154286
Received deltas with no stacklet present!
Unknown.$collect (JsArrayString.java:42)
Unknown.fillInStackTrace_2 (StackTraceCreator.java:147)
Unknown.fillInStackTrace_0 (StackTraceCreator.java:387)
Unknown.fillInStackTrace (Throwable.java:72)
Unknown.$$init_10 (Throwable.java:46)
Unknown.Throwable_1 (Throwable.java:52)
Unknown.Exception_1 (Exception.java:29)
Unknown.RuntimeException_1 (RuntimeException.java:29)
Unknown.IllegalStateException_1 (IllegalStateException.java:28)
Unknown.onUpdate_7 (OperationChannelMultiplexerImpl.java:504)
Unknown.onUpdate_8 (ViewChannelImpl.java:329)
Unknown.onWaveletUpdate_0 (RemoteWaveViewService.java:307)
Unknown.onWaveletUpdate (RemoteViewServiceMultiplexer.java:101)
Unknown.onMessage_3 (WaveWebSocketClient.java:184)
Unknown.onMessage_2 (WaveSocketFactory.java:105)
Unknown.onMessage_0 (WebSocket.java:84)
Unknown.anonymous (WebSocket.java:30)
Unknown.apply (Impl.java:168)
Unknown.entry0 (Impl.java:214)
Unknown.anonymous (Impl.java:57)