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 ('e8c5b1dca85539e7d6f10ea5d374f260', -1, 1743807735, 1743807735, '12768eeb', -4, 0, 0)

Line : 187
File : sessions.php