I founded the solution
My error was in the file "AssetsFIX.csv"
because I have changed also the Name instead
the corret with IG is
Name= UK100
Symbor= FTSE100

like this

Name Price Spread RollLong RollShort PIP PIPCost MarginCost Leverage LotAmount Commission Symbol
AUDUSD 0.75535 0.00006 1 1 0.0001 0.093853 3.5663 198.782 1000 1 AUDUSD
EURUSD 1.06556 0.00006 1 1 0.0001 0.093853 4.9739 201.061 1000 1 EURUSD
UK100 7314.8 1 1 1 0.1 0.011677 4.3201 197.709 0.1 1 FTSE100