phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './oube/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('816e7105aea7b0c8bd243f6a8cb5d921', -1, 1425328184, 1425328184, '3691fef9', 0, 0, 0)

Line : 187
File : sessions.php