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 ('2d9cbb207639ac25e57a95321b95067b', -1, 1737581710, 1737581710, '12e035a6', 3, 0, 0)

Line : 187
File : sessions.php