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CMS Magento Mastering Development

In magento 2.3.5 Swagger is not working (Failed to load API definition.)

I had upgraded the magento version to 2.3.5 after that swagger is not working in my setup Image Reference : To debug the i click invalid button it shows {"schemaValidationMessages":[{"level":"error","message":"Can’t read from file http://My Domain/rest/all/schema?services=all"}]} The below errors i got in the debug.log [2020-06-30 08:50:34] main.ERROR: Unable to resolve the source file for ‘frontend/Vendor/child-theme/en_US/Magento_Swagger/swagger-ui/js/swagger-ui-bundle.js.map’ [] […]