Try this one (I tested it just for syntax errors):

DEFPARAM CumulateOrders = false
ONCE BasePerCent = 101     //101% initial target
ONCE MyCapital   = 10000   //initial capital
ONCE MinLot      = 1       //Minimum lot size
ONCE LotSize     = MinLot  //initially set to Minimun Lot Size (it will increase later)
IF Not OnMarket THEN
   MyEquity = MyCapital + STRATEGYPROFIT
   IF MyEquity > MyCapital THEN
      IF MyEquity >= (MyCapital * BasePerCent / 100) THEN
         BasePerCent = BasePerCent + 1
         LotSize     = MinLot
      ENDIF
   ELSIF MyEquity < MyEquity[1] THEN
      Difference =  MyEquity[1] / MyEquity
      IF MyEquity < MyCapital THEN
         LotSize = Lotsize * Difference
      ENDIF
   ENDIF
ELSE
   IF (PositionPerf * 100) >= 1 THEN      //when 1% is reached while at market, add 1% to the initial target
      BasePerCent = BasePerCent + 1
   ENDIF
ENDIF
IF close CROSSES OVER  average[200] then
   buy LotSize Contracts AT Market
ENDIF
IF close CROSSES UNDER average[200] then
   sellshort LotSize Contracts AT Market
ENDIF
set target pprofit 300
set stop   ploss   100
//
//graph StrategyProfit
//graph MyEquity
//graph Difference
//graph LotSize
//graph BasePerCent