Why does this happen?
This issue may be caused by the following reasons:
The currently selected instrument has no quotes, or the recent quotes cannot be used as the market price.
The trader is trading an instrument that has been delisted.
The trader previously received a rejection message, such as “Insufficient margin available.”
How to resolve this issue?
Avoid trading during periods of high volatility and low liquidity.
Please check whether the selected instrument is currently tradable.
Review previous rejection messages in your log or journal.
Please note the trading hours of each instrument group.
If the problem persists, please create a request in the customer service center for further assistance.