phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9965891c6c14443158efe864b2a90ad' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a9965891c6c14443158efe864b2a90ad', -1, 1714600463, 1714600463, '12743375', -4, 0, 0)

Line : 187
File : sessions.php