XWiki initialization failed!

• Storage schema updates and data migrations are enabled
• No data migration to apply for wiki [xwiki] currently in version [1100000]
• Checking Hibernate mapping and updating schema if needed for wiki [xwiki]
• SQL Error: 0, SQLState: 42P07
• ERROR: relation "hibernate_sequence" already exists
• No data migration to apply for wiki [arsiv] currently in version [1100000]
• Checking Hibernate mapping and updating schema if needed for wiki [arsiv]
• SQL Error: 0, SQLState: 42P07
• ERROR: relation "hibernate_sequence" already exists
• No data migration to apply for wiki [belgenet] currently in version [1100000]
• Checking Hibernate mapping and updating schema if needed for wiki [belgenet]
• SQL Error: 0, SQLState: 42P07
• ERROR: relation "hibernate_sequence" already exists
• Wiki [belgenet] has already been migrated.
• Wiki [xwiki] has already been migrated.
• Wiki [arsiv] has already been migrated.