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 ('c6b87bba063315d82340418b8e13452a', -1, 1715095134, 1715095134, '03908c97', 2, 0, 0)

Line : 189
File : sessions.php