Note sure if this has been phoned in.
Title: Alpha 5, Build 1658 - Max_Level error
1.) Build town and promote a trapper
2.) wait until trapper levels.
Notes: It looks like this error pops up once the trapper, or any unit presumably, hit the max level and keep gaining exp. I usually get about 1 error every 30 seconds or so.
Version: Alpha 5, Build 1658
System: Win 7, 4gb ram, nvidia 260M (Laptop)