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 ('7815e956f07ea8d1841598227d4a0976', -1, 1717315173, 1717315173, '038cc2aa', -10, 0, 0)

Line : 187
File : sessions.php