Please check your Trading Permissions within Client Portal to confirm your account has permission to trade the security being rejected. Please note that the linked accounts are independent of each other in regards to trading permissions which allows you to customize each linked account.
What does the message "No clearing rule" mean after linking my accounts?
Powered by IBot
How can I configure the trading permissions in my application?
Does the Pattern Day Trader (PDT) Rule apply to the paper trading account?
How can I create a VIX Trade At Settlement order?
Can I trade just cryptocurrency with IBKR?