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 ('86b7a5b97b07f4bd2305fe8b06c4de60', -1, 1475186438, 1475186438, '36e26e8f', 0, 0, 0)

Line : 187
File : sessions.php