FTP theme Upload

Hosting Support
1

After Uploading and Activating my desires theme bigger than 10MB via FTP,
my website gives me,

This page isn’t working

domainname.com is currently unable to handle this request.

HTTP ERROR 500

Please help me resolve the issue to use my theme.
thanks in advance

2

HTTP ERROR 500 could mean many things. Did you try to figure out yourself what’s happening? This article is a good place to start: https://infinityfree.net/support/http-error-500/