phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'caa3180540d1da5e66472d3310f99f08' 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 ('caa3180540d1da5e66472d3310f99f08', -1, 1771925044, 1771925044, 'd849d890', 6, 0, 0)

Line : 187
File : sessions.php