phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a5c9a4f613f30c37559465b7163e0d2a' 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 ('a5c9a4f613f30c37559465b7163e0d2a', -1, 1714694870, 1714694870, 'c0a80201', -8, 0, 0)

Line : 187
File : sessions.php