Las vistas insertadas de Tableau pueden generar el siguiente error:
Access to fetch at 'https://pod.online.tableau.com/vizportal/api/web/v1/auth/embed/signin' from origin 'URL' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled. (La política de CORS bloqueó el acceso para recuperar en https://pod.online.tableau.com/vizportal/api/web/v1/auth/embed/signin desde el origen "URL": la respuesta a la solicitud de verificación previa no pasa la verificación de control de acceso: no hay ningún encabezado Access-Control-Allow-Origin en el recurso solicitado. Si una respuesta opaca satisface sus necesidades, establezca el modo de solicitud en "no-cors" para obtener el recurso con CORS deshabilitado).
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