The request was aborted: API

Question

Hi

 

i have  Api .Net 4.7.2 

 

and i have this erroe :

WebException: The request was aborted: Could not create SSL/TLS secure channel.

when i re- debug it's work fine but the first time i vall it i have the erroe 

 

 

at this line (

return response.Result;

)

i add this but still same  

 

ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;