phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb/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 ('627833e8097f83aa91ad92ca6ec8561b', -1, 1529445363, 1529445363, '36e11fbc', -1, 0, 0)

Line : 187
File : sessions.php