2023-09-18 10:55:18.6178 : An error occurred while making the HTTP request to https://vpfe-hab.dian.gov.co/WcfDianCustomerServices.svc. This could be due to the fact that the server certificate is not configured properly with HTTP.SYS in the HTTPS case. This could also be caused by a mismatch of the security binding between the client and the server. -------------------------------------------------------------------- 2023-09-18 10:55:18.6178 : Object reference not set to an instance of an object. --------------------------------------------------------------------