Unable to connect to database "Data Source="C:\Users\Win7\Documents\Ninjatrader7\db\Ni njaTrader.sdf":ObjectSpace Connection String is Invalid - a destiny exeption ocured"
i have a demo conection with MBTrading and about 10 charts loaded in the 32 bits platform.
System is windows 7 Ultimate 64. 8G ram
help please.-.-
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