phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6e53935ff9af78e49fdb23a897f3b4fd' 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 ('6e53935ff9af78e49fdb23a897f3b4fd', -1, 1793248841, 1793248841, 'c0a81013', 18, 0, 0)

Line : 187
File : sessions.php