phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('36d28b0583342a9db7d40535a941d3ac', -1, 1714356541, 1714356541, '12dc01ef', 8, 0)

Line : 158
File : sessions.php