phpBB : Критическая ошибка

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '51ef244ca9ffe5823f4265859a9e6767' for key 'PRIMARY'

INSERT INTO gisforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('51ef244ca9ffe5823f4265859a9e6767', -1, 1715859386, 1715859386, '00000000', -4, 0)

Line : 161
File : sessions.php