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 ('071308e6f59d6d70d8ef6a9889cd9f6a', -1, 1711691795, 1711691795, '12e87141', 0, 0, 0)

Line : 193
File : sessions.php