Get "Error detected while processing function..." when try to open HTML tag in svelte file

[peshoicov]

So - when I start vim I get this message:

But then, when I try to type a HTML tag - I get Error detected while processing function <lambda>9[1]..<SNR>60_execute::

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And also - don't know if this is related, but I don't get real intellisense. For example - if I try import { onMount } from ... - then I don't get any completion suggestions for onMount or onDestroy or whatever.