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 ('db1553d0efae588228588c79d4bb0c29', -1, 1737479879, 1737479879, '0d3b878b', -9, 0, 0)

Line : 187
File : sessions.php