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 ('b1a26b1f9d6470206ccf5a5a9791387f', -1, 1717280219, 1717280219, '038fe555', 2, 0, 0)

Line : 187
File : sessions.php