What went wrong, showing for each report the requested address, the method, the IP address, the browser identifier and, for logged-in sessions, the username. Clicking through displays the full stack.
The table is not automatically cleared. That is a choice. An error message is the only trace of a fault that nobody has looked into yet, and a timer would remove it just as it becomes of interest. Clearing is done using the ‘Delete now’ button, which removes everything older than the number of days shown next to it; the default is ninety. A value of zero days is not permitted, as this would remove everything.