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 ('6d5a54e32d18a6b4722b38eabb0786b5', -1, 1717023976, 1717023976, '12750825', -4, 0, 0)

Line : 187
File : sessions.php