Calendar not echoing (MIME type issue)

Hi,

I tried to echo do shortcode with the following code:
<?php echo do_shortcode(“[fullcalendar type=’events’]”); ?>

And when I got to the page it’s not displaying and instead I’m seeing all these errors – what do they mean?

https://cl.ly/a944ddca3c89/Image%2525202019-04-05%252520at%25252010.56.35%252520PM.png

Best,
Kosta

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