phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15d2a7cf39dd34e257718edbd5add64d' 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 ('15d2a7cf39dd34e257718edbd5add64d', -1, 1714373085, 1714373085, 'c0a80201', -1, 0, 0)

Line : 187
File : sessions.php