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 ('697a57369390caac75def83d314c0147', -1, 1711710705, 1711710705, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php