Unfortunately, HM3 does not support the Chico Network sites natively. *The only 3rd party card catcher HM3 officially supports for BetOnline/Chico is...
Are you sure that ACR is saving the tournament summary files, and that HM3 is properly configured to auto-import the summary files from the same ACR...
This is most likely an error with your HM3 - Tools - Site Settings... - Auto-Import Folders for one of your sites. Please check your settings against...