phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './themedat_phpbb/sessions' is marked as crashed and should be repaired

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('515c63d82a12d84d1d7e9d47f63e3104', -1, 1542295285, 1542295285, '36a712aa', 6, 0, 0)

Line : 189
File : sessions.php