Left L5 running overnight with a fairly complex layout. Mac would not wake from sleep, possibly because Logos had frozen.
Restarted Mac and attempted to reopen L5—crash
0638.Apple Crash Report.rtf
6648.LogosLogs Jack Caviness 20121227-062942.gz
Restarted, Crash without Apple Crash Report this time
0407.LogosLogs Jack Caviness 20121227-063046.gz
Restarted L5 with blank layout successfully. Selected Application Closed layout—crash
0880.LogosLogs Jack Caviness 20121227-063945.gz