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 ('b7a63a0be63987b8d6ae56a176b5a4c2', -1, 1737633569, 1737633569, '12e2b49e', 68, 0, 0)

Line : 187
File : sessions.php