phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cdaf48f7f6bc44c02648aad2ce853501' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('cdaf48f7f6bc44c02648aad2ce853501', -1, 1771159148, 1771159148, 'd849d87b', -9, 0)

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