phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './nevster_phpbb3/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 ('44dbd4fbe32bfaab9b36d4a84b7eda7f', -1, 1518976986, 1518976986, '36c4d745', 1, 0, 0)

Line : 189
File : sessions.php