phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd5f76992447bd4f584c7c09c43173121' 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 ('d5f76992447bd4f584c7c09c43173121', -1, 1766556519, 1766556519, 'd849d8a2', 1, 0, 0)

Line : 187
File : sessions.php