phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '61c906a874fa271d87b82e84c6e0da5c' 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 ('61c906a874fa271d87b82e84c6e0da5c', -1, 1776694763, 1776694763, 'd849d93f', 16, 0, 0)

Line : 187
File : sessions.php