phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forum/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 ('91f7e9ff9aafa887cb0f65faea4b57d7', -1, 1529686384, 1529686384, '36c69e18', 0, 0, 0)

Line : 189
File : sessions.php