Unfortunately, Collector has stopped.
Can you share the service that is causing the issue?
Without being able to really see the dataset and the logs coming from the app it is a little difficult to comment on. Can you share the service or XML schema output from your gdb for this layer and I can take a look at it.
You can try using an app like Catlog: https://play.google.com/store/apps/details?id=com.nolanlawson.logcat
You can download the Android SDK and try running this tool with the device plugged into your computer:
That is strange. I will try and repro it with a test dataset.
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