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No 'Access-Control-Allow-Origin' header

I implemented Taboola solution in my angular SPA Website. It works perfectly when I reload full page. But when I navigate into the website, sometimes the taboola widget doesn't appear and the error bellow appear :

Access to fetch at '< from origin β€˜XXXXX’> has been blocked by CORS policy: 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.

Could you please help me ?