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 ('55b30b2ab7814de4ca604741bc5be0bd', -1, 1737619506, 1737619506, '038f01a1', -9, 0, 0)

Line : 187
File : sessions.php