phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mayashan_phpb1/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 ('33d7eb0e218b65eabd881de9e7ac31a1', -1, 1472392830, 1472392830, '17148149', 0, 0, 0)

Line : 187
File : sessions.php