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 ('66e35de713d7cfa5f4e30c086ad289b9', -1, 1711662391, 1711662391, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php