phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8b72bab88f67bab1a191e86b1b276171' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('8b72bab88f67bab1a191e86b1b276171', -1, 1781640253, 1781640253, 'd849d98b', -9, 0)

Line : 180
File : /www/includes/sessions.php