Wtf is that?!

When z8games brought the daily missions in CF i was ver happy and intressted in doing them.. i did daily my missions and collected TILL the last letter, its The "F" and the fcking crap on this is i got now, belive it or not 14x the "S²" this is a bug, i got this letter 14 times after another and i want u to fix it! write me a pm if u wanna know how my nich ign is and etc. waht u need to fix it. FIX THIS ****!