Updating failed. The response is not a valid JSON response on my custom shortcode

Question

Hi am building a plugin and I want to display a form using a shortcode but when I test it in the block editor I get an error

Updating failed. The response is not a valid JSON response.

When I check my out come on the page, The form gets displayed but not in the position where I created the shortcode.

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novapack 4 months 0 Answers 15 views 0

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