phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '35bf1cafc60336540c6c7c314f1f4d4a' 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 ('35bf1cafc60336540c6c7c314f1f4d4a', -1, 1784440505, 1784440505, 'd849d926', 5, 0, 0)

Line : 187
File : sessions.php