error class-http.php

saya mau nanya setelah saya sampai selesai mengisi data base, kenapa langsung keluar erorr kayak gini :

Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 122880 bytes) in /home/a3990338/public_html/wp-includes/class-http.php on line 903

mohon di bantu, terima kasih