phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '71dab8f80968bf390404b6756c4a846a' for key 'PRIMARY'

INSERT INTO phpbb1_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('71dab8f80968bf390404b6756c4a846a', -1, 1714209458, 1714209458, '12dec88f', 11, 0, 0)

Line : 187
File : sessions.php