Can you reproduce using one of our samples or online demos? yes
Please give a brief summary of your issue:
Version 8.3.2 not working properly, I got this error on the load of the page.
Please describe your issue and provide steps to reproduce it:
Please provide a link to a minimal sample where the issue is reproducible:
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The error looks from here:
So looks like
window.Core is not defined, meaning that probably your Core is not set up properly. You can double check your Core lib configuration.