phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8964fc052a1547cb7b38c5f25610b4ef' 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 ('8964fc052a1547cb7b38c5f25610b4ef', -1, 1714108098, 1714108098, '12dc89a4', -4, 0, 0)

Line : 187
File : sessions.php