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 ('287a02b7374bd533062c58d12cc41f67', -1, 1737594345, 1737594345, '12740dc0', 6, 0, 0)

Line : 187
File : sessions.php