phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '871b26fea153bfee4341ee6d8e4baa94' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('871b26fea153bfee4341ee6d8e4baa94', -1, 1772640528, 1772640528, 'd849d831', -4, 0, 0)

Line : 215
File : sessions.php