phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './lg15_phpbb/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 ('2f50cb87d596f9797e1505128aa437a0', -1, 1768377862, 1768377862, 'd849d80d', -4, 0, 0)

Line : 187
File : sessions.php