phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c39348a16ace70b4b560f9e0c87fcb5e' 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 ('c39348a16ace70b4b560f9e0c87fcb5e', -1, 1759409960, 1759409960, 'd849d871', -4, 0, 0)

Line : 187
File : sessions.php