Error establishing a database connection

If your site does not display, please contact the owner of this network. If you are the owner of this network please check that your host’s database server is running properly and all tables are error free.

Could not find site mugul.de. Searched for table wp_blogs in database 5abae184c00e4d719dedd40723be4e60_database. Is that right?

What do I do now? Read the Debugging a WordPress Network article. Some of the suggestions there may help you figure out what went wrong. If you are still stuck with this message, then check that your database contains the following tables: