phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b6dd572acdf13effada10374c8996be1' 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, priv_session_id) VALUES ('b6dd572acdf13effada10374c8996be1', -1, 1793346516, 1793346516, '6817f354', -9, 0, 0, 'ad4b07876746aff1236f1773e004df93')

Line : 188
File : sessions.php