phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9fddb8c4a0fe449a9be795be0229e0e' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c9fddb8c4a0fe449a9be795be0229e0e', -1, 1715632016, 1715632016, '12bcc637', -4, 0, 0)

Line : 187
File : sessions.php