Useless phone number they never answer!

Useless phone number they never answer!
They made a certificate of no appeal with errors impossible to receive compensation, we ask for the right documents but unable to send it ... Case blocked for 4 years by their fault
Ps Roland on the 1st floor, an arrogant incompetent who thinks he has completed bac +5 while having no important function, we quickly understand that in his court the same people are hired, always the same problem with administrations in France