phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('44b3b6db621a0fd41bb2388aa8d4a92d', -1, 1715038939, 1715038939, '0d3af71f', -7, 0, 0)

Line : 189
File : sessions.php