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 ('756aa75e331bae5fe26b8e1fdb43c816', -1, 1717440911, 1717440911, '0313f439', -7, 0, 0)

Line : 187
File : sessions.php