phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ac00d8f26c1095f2127a6a6b6f4d6554', -1, 1717372738, 1717372738, '03915118', -4, 0, 0)

Line : 187
File : sessions.php