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 ('65668b750d0a08de8e9f58b425e928ed', -1, 1715051960, 1715051960, '0389ab79', -11, 0, 0)

Line : 189
File : sessions.php