I logged onto my account and my world is gone - don't know what else to add - all my articles are inaccessible

Steps to Reproduce

Happens every time, tried restarting browser, clearing cache, and rebooting computer - nothing changes

Operating System

Browser

Related Entity

all of them, I have the right sidebar with the compass rose (which opens a menu - but see little in the options there) and the switch worlds icon (which brings up a box with no options)