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 ('5d8ca20f1b9bce5555f7fe6768c2a39d', -1, 1766244496, 1766244496, 'd849d8a8', -9, 0, 0)

Line : 187
File : sessions.php