This occurs when our Salesfire SDK has not be installed: https://github.com/salesfire/salesfire. This usually happens when the plugin has been installed manually outside of the Magento Extension Manager.
There are three ways to resolve this:
If your Magento store is not generating a product feed please ensure:
If you are still having trouble generating the feed it may be due to a configuration or setup issues which conflict with our plugin. Please send any logs to your account manager who will pass it onto our team to investigate for you.
These are typical file names of logs you should provide: