phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b121c9cee9bbd4bada3a0f129a54318c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('b121c9cee9bbd4bada3a0f129a54318c', -1, 1714234010, 1714234010, '03804e29', -4, 0)

Line : 187
File : sessions.php