And again error message exhaust gas workshop

Hello, have again a problem with the error message exhaust gas workshop. The error was already at the beginning of the year and was fixed with the exchange of the sensor which sits at the gearbox passenger side up. (have forgotten the name) So now it is time again and the error is there again but stranger wiser only when it is wet outside. when it is dry, it is gone after a few days. But since the wet season is there. I went to my buddy to read the error. E r has read out the Phaeton to us see there a lot of errors. I will attach the error log. Now we have deleted the errors first. Please can you look at the error log and maybe help me further. Especially this clamp 30??? what is that supposed to be. Greetings to you and thank you in advance