Homepage add_to_cart event not working.

Hi. I am using GTM4WP plugin, all the installations setup in plugin..
All EE events is working but add_to_cart working only in view item but not working in homepage.
What could be the problem?

https://tagassistant.google.com/#/?id=GTM-NLVXMLP&url=https%3A%2F%2Fmuzikekipman.com%2Fodeme%2F&source=TAG_MANAGER&gtm_auth=fGZBUyRA3yjIGuyppS7BJw&gtm_preview=env-3