phpBB : Критическая ошибка

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ff78755cea1381a566c73d7b24e452ba' for key 'PRIMARY'

INSERT INTO gisforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('ff78755cea1381a566c73d7b24e452ba', -1, 1715665905, 1715665905, '00000000', -10, 0)

Line : 161
File : sessions.php