lib/WikiDB/backend/PearDB.php:680: Fatal[256]: wikidb_backend_mysql: fatal database error

DB Error: unknown error
(SELECT linker.* FROM link, page AS linker, page AS linkee WHERE linkfrom=linker.id AND linkto=linkee.id AND linkee.pagename='HomePage' ORDER BY linker.pagename [nativecode=Got error 28 from storage engine])

Fatal PhpWiki Error

lib/WikiDB/backend/PearDB.php:680: Fatal[256]: wikidb_backend_mysql: fatal database error

DB Error: unknown error
(SELECT linker.* FROM link, page AS linker, page AS linkee WHERE linkfrom=linker.id AND linkto=linkee.id AND linkee.pagename='HomePage' ORDER BY linker.pagename [nativecode=Got error 28 from storage engine])