phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '964017b1fdf3ed7e074422758cab7c47' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('964017b1fdf3ed7e074422758cab7c47', -1, 1715197731, 1715197731, '12dca0d8', -4, 0, 0)

Line : 187
File : sessions.php