This page isn’t working www.krimjerawatginseng.com is currently unable to handle this request. HTTP

“This page isn’t working www.krimjerawatginseng.com is currently unable to handle this request. HTTP ERROR 500”
hi what should i do when i enter my website appear this notification? can you figure out what happen and what should i do next so that my wordpress appear?

i’m used FTP Username epiz_22747183
FTP Hostname ftpupload.net
Domain bought from namesilo.

please help…tq

Help yourself! The knowledge base has an article about 500 errors: https://infinityfree.net/support/http-error-500/