This is the notifications

At 2021-01-28 T 11:02 UTC0

*Warning!

In the interest of mitigating risk for our clients, we have temporarily placed GameStop and AMC Entertainment in reduce-only mode as highly unusual volumes have led to an unprecedented market environment. New positions cannot be opened, existing ones can be reduced or closed.

At 2021-01-28 T 01:15 UTC0

Warning

The unprecedented market activity in GameStop is causing extreme strain on the entire trade execution ecosystem worldwide. We want to warn you of potential disruptions due to the excessive market risk of trading extremely Volatile shares. Order execution of stocks with incredibly heightened trading activity such as GameStop and AMC Entertainment might face sudden and unforeseen circumstances. Please, consider the risks before placing an order with these securities.