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Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c0f1970ba91edbb0db6dcff7df0c04a7' for key 'PRIMARY'

INSERT INTO trunghocduytan_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c0f1970ba91edbb0db6dcff7df0c04a7', -1, 1714283551, 1714283551, '1276c888', 17, 0, 0)

Line : 187
File : sessions.php