Failed to convert code with no useful information about why

Method: todaysPrayer:
nullnull
java.lang.StringIndexOutOfBoundsException: String index out of range: -1

No additional information was found to diagnose.
No FAQ found.
No useful documentation found.
No Website (other than a YouTube video demonstrating a simple example).

Great idea. Not very well implemented. I hope i can get my money back.

dlindberg about O2Swift - Objective-C to Swift automatic source code translator