phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a64a1c4e71bf6d1bbb83a5531ae16fe4' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a64a1c4e71bf6d1bbb83a5531ae16fe4', -1, 1715778484, 1715778484, '12df2174', -4, 0, 0)

Line : 187
File : sessions.php