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 ('a03aeb0cb3af592f4628c12a0cb7d5d7', -1, 1717388423, 1717388423, '038f09df', -4, 0, 0)

Line : 187
File : sessions.php