ASP.NET Zero (.Net Core v2 + Angular v5) AbpUserConfiguration/GetAll breaking sometimes, after serving few requests it start generating cross domain issue other times it works perfectly. Following is the error. Access to XMLHttpRequest at 'http://localhost:22743/AbpUserConfiguration/GetAll' from origin 'http://localhost:4200' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. GET http://localhost:22743/AbpUserConfiguration/GetAll net::ERR_FAILED Continue reading...
