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 ('b95f50537bb33c555d2d311a62345e7a', -1, 1711659977, 1711659977, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php