phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ef168afa4ca5a8f6bd2d6670a43ccde4', -1, 1764437136, 1764437136, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php