phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './markru2_mamb1/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 ('85adeb1f41cba21d96cfc6b3ee750be2', -1, 1397695698, 1397695698, '36cdcd2f', 0, 0, 0)

Line : 189
File : sessions.php