Home › Forums › Gutenberg › "Updating failed. The response is not a valid JSON response." › Reply To: "Updating failed. The response is not a valid JSON response."
Hi Vitalii, thanks for sharing the solution – how did you disable html minification for json requests? Not sure if that was via a caching plugin you have, or some setting for ACF/Gutenberg. I have the same error message as you.
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