406 coupe 3.0 antipolitan

First of all, greetings to everyone, I am a student at age 20 or 2004. When my coupe 406 gives lpg end warning on the road, it gave an error like antipolitan fault and crystel converter fault. The engine light started flashing on the screen. I would be happy if you were

A situation originating from lpg connect the tool to the computer, clears the error. because it pulls up the dirt at the bottom of the tank and causes clogging. Apart from that, you can read many articles about antipolution fault and catalitic converter error. In such cases, stop the vehicle without forcing too much, wait a bit and start it again.

Thank you very much, it does not make any mistakes before the gas reaches the bottom.