phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('8f8be056ea3b7cd1b719b6b4960a32f9', -1, 1467437735, 1467437735, '36e1076d', -1, 0, 0)

Line : 187
File : sessions.php