what does this message mean ?

[yalewang]

when i try to close or modify an order,a message appear like this " Encountered an improper argument"

what does it mean ?

i cannot close the order .

[Simon Gniadkowski]

You have an improper argument in your OrderModify or OrderClose . . . perhaps you should show that code . . .

[yalewang]

sorry,i do it manualy

[Simon Gniadkowski]

YALEWANG:
sorry,i do it manualy

Call your Broker.