Depending on the size of your monitor/screen and zoom aspect of your browser, you might not be able to expand the side menu in CORE. You can try changing the zoom aspect on your browser to reveal the expand arrow for the side menu.
Depending on the size of your monitor/screen and zoom aspect of your browser, you might not be able to expand the side menu in CORE. You can try changing the zoom aspect on your browser to reveal the expand arrow for the side menu.