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 ('550788f5f71b546592f9eb96ed7e62f7', -1, 1710813800, 1710813800, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php