phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './myforum/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 ('20191a099a192b1b3f8b67ba4e7b1593', -1, 1783873935, 1783873935, 'd849d8ba', 6, 0, 0)

Line : 187
File : sessions.php