Checkout unreachable by phone or via es Online.

Checkout unreachable by phone or via es Online.
I wish to have information on a file filed since 2018, with a status file received on January 9th.
I called a dozen times, and after 25-30 minutes of att Online, I am told to try again later and this on each call.
Via the staff Personal, no answer to my requests. The last answer I got after 2 months of reaching is the following (the fucking mouth)
Despite our efforts and our mobilization, we encounter difficulties to respond to the many requests that we receive through our site. We sincerely apologize for the inconvenience and inconvenience caused. We hope to have answered your questions and questions through our call center teams, reachable at 3960 from Monday to Friday between 8:00 am and 17h00 without interruption (price of a local call).