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 ('1e6f52aaabd77ff1990a405c47c3cd2c', -1, 1737632535, 1737632535, '038ef9a3', 8, 0, 0)

Line : 187
File : sessions.php