bugged hard wood mills

hi i had this bug befor so now i know whats make it now
i had 0 pop and made 4 hard wood mills and then i relogd as i had to and then i had the bug
as the sign on topp of the building will go away and it will look like it have pop but wen you open it up it have 0 production and sign showing 0 settler
i would realy like this bug fixed as i had it more then 1 time now as i did not know what was causing it and last time it did take me 3 days for it to get fixsed plz plz plz fix it as it is a horreble bug as now i have 3 hard wood mills produsing 0 that i have upgraded to lvl 2 so they cost me 300 gc produsing 0 grrrrrr


i would hait to have to remove them only to get noting left for my 300 gc so plz plz plz fix asp