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 ('6899b0acb2f90ccb9db2cb8e2673a512', -1, 1715192795, 1715192795, '038cbaf1', 7, 0, 0)

Line : 189
File : sessions.php