phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO satshop_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('78570c6f586d17082f925f04e6078ee1', -1, 1752135613, 1752135613, 'd849d8fd', 0, 0, 0)

Line : 189
File : sessions.php