Hi, I’m having trouble getting sound from my Marshall Code 50 amp to record on Audacity.

I am running a new, working USB B cable from my Marshall Code 50 to a Dell Latitude 7280 running Windows 10. The computer is able to detect the amp USB input, and I am using the ‘CODE 50 digtal interface’ as my default recording device on both my soundcard and Audacity, however there is no sound output coming from the amp shown on Audacity , when I try to record (sound is produced from the amp’s speakers, however Audacity is not showing or recording any sound output). I am sure that the connection is working and the amp/ computer is not faulty, as I am able to download tone presets from the MyMarshall preset page. I have tried restarting both my laptop and amp multiple times, using different cables, using different USB ports, AND have the newest 1.41 CODE software, newest Audacity software, and newest version of my Intel HD sound drivers, but to no effect. I am on the verge of going insane from this as I have being trying for over 10 hours, and have had no results. This has worked for me previously, as I last recorded to Audacity with all the same settings about a month ago, however it’s simply not working anymore. I need to get it fixed ASAP, as I am due to record tomorrow, so any help would be greatly appreciated.