Fix To No Access-Control-Allow-Origin header is present Or Working With Cross Origin Request In Asp Net Web API - TechNet Articles - United States (English) - TechNet Wiki
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Cross-Origin Resource Sharing (CORS) - HTTP | MDN
Access to fetch has been blocked by CORS policy, value of the 'Access- Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include' : r/django