Downloaded file is wrong or corrupted
Your bot works fine if we download your bot manually and copy it to roborumble client dir manually. It must be some bug of roborumble client, or you are using some non-standard packing method.
Hi, Xor. Sorry that I didn't respond for so long. I've been away from Robocode for several months and didn't see the message. Thanks for the info about the problem. I looked at the roborumble source code to see what that error message corresponded to. Turns out that my properties file had an incorrect value for "classname." I'll upload the fixed bot soon and run some roborumble matches to ensure it works. Once again, thanks for the heads up!