phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './forumcapes/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('da865bf7df32e257dbe0db9b7ba8d592', -1, 1544781449, 1544781449, '36a32a9a', 5, 0, 0)

Line : 187
File : sessions.php