NETFILE Rejected "There was no endpoint listening at..."

[mikecay]

I've been trying for a few days to NETFILE my return but I keep getting the error below.  I saw some people post the same issue, one had no response form UFILE and the other post the person said the issue went away.  

 

Please help, my issue is not going away.

 

There was no endpoint listening at

https://www.impotnet.revenuquebec.ca/SVCNAB2BImpotNet/T3/T302/T302B1_29C_WCFH_ServContrib2021/ServicesContrib.svc?

wsdl that could accept the message. This is often caused by an incorrect address

or SOAP action. See InnerException, if present, for more details.