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 ('3288a3909c9ac2104eb95330a4b8b3be', -1, 1741970783, 1741970783, '12bdb828', -4, 0, 0)

Line : 187
File : sessions.php