Attempt to visit the website 'bgbm.fu-berlin.de'. If the website fails to load, report that it is inaccessible and state the exact error message encountered during the navigation attempt.
Navigate to 'http://bgbm.fu-berlin.de/' Observe the outcome of the navigation attempt and identify any error messages. Report that the website is inaccessible and state the specific error encountered.
Confirm that 'http://bgbm.fu-berlin.de/' could not be loaded. State the exact error encountered, which should be 'TimeoutError: page.goto: Timeout 30000ms exceeded'.