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 ('4a26a43d5bf45d76ead5a7e64175d785', -1, 1715210674, 1715210674, '0390bb67', 2, 0, 0)

Line : 189
File : sessions.php