phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9961a4b6ddd2834d72d966e4388bff1b' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9961a4b6ddd2834d72d966e4388bff1b', -1, 1714744008, 1714744008, '0391082a', -8, 0, 0)

Line : 187
File : sessions.php