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 ('34adc81f661b6f4b43a7b414de6720b2', -1, 1716643811, 1716643811, '038f04b5', 1, 0, 0)

Line : 187
File : sessions.php