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 ('77d59d133b960c2c6999fd04c7bb0d37', -1, 1721513934, 1721513934, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php