Error in EA: makes multiple trades

I have EA which enters into trade correctly but once the order is closed it enters the second order immediately at the same time as first order is closed, I could not find error in EA, could you help?

Here is EA attached

so everything works but this EA makes multiple trades per day, I need to ask it to execute only one trade.

thanks

Also I don't need now, but is it easy on user's level of knowing MQL4 to put trailing stop in EA instead of ordinary stop?

thanks

actually what I noticed here is that this EA makes trade immediately as far as first order is closed either on stop or take profit

can anyone advise why?