Web Form: Access-Control-Allow-Origin Error

Web Form: Access-Control-Allow-Origin Error

Estoy poniendo un formulario en nuestra web; el problema es que cuando se envia la página no hace nada, pese a que envia el mail, pero obviamente no carga la página de gracias.

El error es el siguiente:

XMLHttpRequest cannot load https://crm.zoho.com/crm/WebToLeadForm. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin ' https://domain.com' is therefore not allowed access.

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I made a web form to put into our web.

When i submit it give an error; the email is sent, but it dont goes to my thanks page

This is the error:

XMLHttpRequest cannot load https://crm.zoho.com/crm/WebToLeadForm. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin ' https://domain.com' is therefore not allowed access.

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