Your order may be rejected if you do not have sufficient margin in your account to cover the position that you are trying to open.

For other reasons that will not let you trade, see the list of the possibilities below:

1. The trading volume is not following the rule of FXPro
2. The market is closed at the moment for some reason
3. The symbol you are trying to trade is for other account types
4. Stop Loss and Take Profit parameters are wrong

As FXPro is a complete STP broker, they do not have any restrictions on the trading platforms, thus there should always be a rational reason for any order rejections.

For further assistance, please contact FXPro support team with the details of the order.

FxPro Official Website