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Access to XMLHttpRequest at ' ... ' from origin ' ... ' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present
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The 'Access-Control-Allow-Origin' header contains multiple values '*, http://localhost:3000', but only one is allowed. · Issue #440 · fruitcake/laravel-cors · GitHub
Cross-origin resource sharing (CORS) » Linux, Angular, Angular JS, jQuery, PHP, MySQL and Web Development Tutorials
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