Follow the steps below to resolve this error for Diablo II:
- The Battle.net realms may be down for maintenance. Check the Battle.net forums for updates.
- The server your character is stored on may be rebooting or installing new software. Wait an hour, then try again.
- The character did not successfully exit the last game it was in and may be inaccessible for up to 8 hours. We are investigating this issue.
- Your character may have expired. Review our Character Expiration article for more details.