phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './ultimate/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 ('1fc77f0109f11bc8b18b2fd8e8e7557a', -1, 1555808154, 1555808154, '365a56e7', -9, 0, 0)

Line : 187
File : sessions.php