phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('aee55d21965014ca2f591b486b6e41a5', -1, 1621157957, 1621157957, '03eeeb9b', 1, 0, 0)

Line : 187
File : sessions.php