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 ('464c0540df3fbe5e1082eb9e012d16ea', -1, 1737623937, 1737623937, '12da778c', 5, 0, 0)

Line : 187
File : sessions.php