phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b393b540e763a3c58d6a6ba98fa8870e' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b393b540e763a3c58d6a6ba98fa8870e', -1, 1760870887, 1760870887, 'd849d81d', 7, 0, 0)

Line : 187
File : sessions.php