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 ('d968f5c0c0dec6c6e401a20e7ae2a4f8', -1, 1717325147, 1717325147, '0395ef4f', -2, 0, 0)

Line : 187
File : sessions.php