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It’s possible that you will see this type of warning in your Events Manager Diagnostic section:
Your server is sending an invalid ip_address, user_agent parameters value for your PageView/ Add to Cart/ View Content/ Init Checkout event. This may be because there was an error in the parameter value. This may cause issues with the attribution and delivery optimization of ad campaigns that are using this event.
This error can be triggered by a very limited number of events when the script can’t identify correctly some of the required data keys. We are still trying to understand when and why this issue happens. One hypothesis is that the events are triggered by a web crawler, not a real user.
There are no reasons to worry about it, you can click to Ignore the error.

Missing AddToCart/ PageView/ ViewContent/ InitCheckout User Data Parameters
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