phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './housemd_forum/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 ('8063b986a6345aaaaba9417dbe2098ca', -1, 1490505709, 1490505709, '36c5b17b', 0, 0, 0)

Line : 187
File : sessions.php