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 ('2466d9d0a84d8c91c45d135e665d15c3', -1, 1737485534, 1737485534, '12d91714', -9, 0, 0)

Line : 187
File : sessions.php