The response is not a valid JSON response.
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After updating the plugin, an error appeared when saving an entry or page, an error appears.
Update error. The response is not a valid response in JSON format.this situation has developed on two sites after the update
By disabling all plugins and enabling it, I discovered that it is Yoast SEO that causes it.
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Viewing 2 replies - 1 through 2 (of 2 total)
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