Like the title says, I encountered a bug where my crusaders couldn't damage infantry with the main gun. The only time it did damage is with the coaxial. I watched the replay carefully and it couldn't be more obvious. I could damage tank tho .. pretty strange. Here's my stats. I swear that i was always engage in the fight. At one time, i was in the face of falls and i couldnt hit one single shot. I save the replay just in case.