When long in SSR (Short Selling Restriction) stock, I press the sell button and the command is rejected. I am advised that there are sufficient shares to short. I´m not trying to short though as I want to sell my long position. What should I do?

When a stock is in SSR (Short Selling Restriction), you need to sell to the ask, so you should ensure you have special Hotkeys set up for SSR stocks. More information can be found here: https://forums.bearbulltraders.com/topic/173-das-trader-pro-faq/ Scroll down to Hotkeys and Hotkey Buttons > How to short stocks in SSR.