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 ('c2c5e2ea26deb69dfc4752d0192c7847', -1, 1717138342, 1717138342, '1276d88d', -2, 0, 0)

Line : 187
File : sessions.php