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 ('62848a26ce3ae0516a1fb714248cce24', -1, 1783966830, 1783966830, 'd849d86c', 0, 0, 0)

Line : 187
File : sessions.php