I can not get loaded the pro-gallery NPM on Custom Element.

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Using
import {ProGallery} from ‘pro-gallery’ ;
I got the error on Chrome dev tools

index.html:24 GET https://193ba200-6924-47cd-80da-05374f9d491f.dev.wix-code.com/custom-elements/pg.js?cacheKiller=97&gridAppId=4b9f6922-2e44-4549-adc2-e3fcd1a6b360&instance=wixcode-dev.21a7ab6a85f7537eb6e1e1b5054aec5b048d1497.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&viewMode=preview net::ERR_ABORTED 500