Fixing OMNet++ error

Hello sir , I’m working on vehicle Ad hoc Network ( VANET ) project using Omnet++ , veins , INET , SUMO , I finished writing the code but when I build the project it is showed me the build is failed with these errors messages, I need your urgent help for that .. Regards After fixing the error, I need the freelancer to run the code extract the results and compare them in bar chart ( normal , attack without defence , attack with defence). I also need deep explanation on what the code does