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 ('0ba2931c01ef6e7ae1794996daa86b9f', -1, 1787733711, 1787733711, 'd849d8c1', -9, 0, 0)

Line : 187
File : sessions.php