I'm not sure exactly what I did. I visited the Bounty Hunter, accepted the bounty, tried to collect it, had some issues (reported elsewhere) with goals and then finally got the bounty.
class java.lang.NumberFormatException: lower
java.lang.NumberFormatException: lower
at net.sourceforge.kolmafia.utilities.StringUtilities.parseIntInternal1(StringUtilities.java:721)
...
class java.lang.NumberFormatException: lower
java.lang.NumberFormatException: lower
at net.sourceforge.kolmafia.utilities.StringUtilities.parseIntInternal1(StringUtilities.java:721)
...