phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './fourqane_fourqane/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('e7be35ee1f3bb935737bc100de1a0d9e', -1, 1414769153, 1414769153, '365b2f9a', 33, 0)

Line : 158
File : sessions.php