phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9699fbac8f038d0c402a199ab09c61b6', -1, 1717269768, 1717269768, '12bc4042', -9, 0, 0)

Line : 187
File : sessions.php