TheXSoft.com is the home of of a free software, that 100% free it does not suddenly turn into shareware,bundleware,beggingware.

There is 2 possible reasons.
1) You have changed character while combat log was running, and Conan Stats is detecting the old chars class. To stop this you need to do /logcombat off and then turn it back on again with /logcombat on

2) Some bug in Conan Stats, please contact us with more details like real class and your combat log