phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb2_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('24cb4845cfa62e0cac98553236475fc6', -1, 1596895607, 1596895607, '03eb6bd1', 0, 0, 0)

Line : 187
File : sessions.php