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 ('93393478fd8c6ce49d5531f9c51a5c3f', -1, 1717175698, 1717175698, '12771c82', -1, 0, 0)

Line : 187
File : sessions.php