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 ('7b6f8d1fe5ec27fda7ef6b3ade78861f', -1, 1737530795, 1737530795, '12610e5a', -4, 0, 0)

Line : 187
File : sessions.php