> For the complete documentation index, see [llms.txt](https://docs.feedotter.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.feedotter.com/newsletters/troubleshooting.md).

# Troubleshooting

- [Marketo Duplicate Object Naming](https://docs.feedotter.com/newsletters/troubleshooting/marketo-duplicate-object-naming.md)
- [Marketo Emoji Support](https://docs.feedotter.com/newsletters/troubleshooting/marketo-emoji-support.md)
- [MailChimp From Address](https://docs.feedotter.com/newsletters/troubleshooting/mailchimp-from-address.md)
- [Pardot emails are missing a required Unsubscribe or Preference Center tag](https://docs.feedotter.com/newsletters/troubleshooting/pardot-emails-are-missing-a-required-unsubscribe-or-preference-center-tag.md)