phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './psysom_admin/phpbb_forumsessions' is marked as crashed and should be repaired

INSERT INTO phpbb_forumsessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1780a2c624e9935493b9bd458af005a0', -1, 1406242702, 1406242702, '36c5935a', 3, 0, 0)

Line : 187
File : sessions.php