SIM Trading Errors?

[davidkirk2002]

Hello, i've got a SIM account as i'm going to be getting into futures. I'm playing in a playback account from previous days and when I tried to execute an MES order with a custom ATM strategy I get the error attached. I've also attached the custom ATM parameters. I am using a $500 account and knowing that contracts are only $5 i'm a bit confused why just 4 contracts are showing me I don't have enough excess margin. Any help would be appreciated, I plan to be in the market on Monday 4/20.

[NinjaTrader_Marco]

Hello,

Thanks for your post.

Please follow the instructions below to reset a simulation account.

From the NinjaTrader Control Center window select the Accounts tab
Right click on your simulation account and select 'Edit Account'
You can update your margin here to reflect a larger value.
Press the "Reset" button

Please let me know if I may be of any further assistance.