Error Function is_tax was called incorrectly

Somewhere in the codebase, the function or method is_tax() is being called before WordPress knows what content is being requested. Using a plugin like Query Monitor will help determine it’s source. There may also be a stack trace in wp-content/debug.log (if WordPress is setup with debug constants).

This would not be a symptom of lazy loading (for images). This error is coming from PHP. It could be coming from an AJAX request, but that seems unlikely.

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