Please dont crosspost. You already got your answer in #panel-help
#help
turbid fable
cyan pivotBOT
You are expected to understand how to read documentation to use this Panel. We have spent many hours detailing how to install or upgrade our software. Please, take some time and read rather than copy and pasting and then complaining when things do not work.
If you expect to be able to install this with no understanding of basic linux system administration you should stop and turn around now
turbid fable
Like Jolty already said:
fix your dns issue.
thats outside the scope of support here if you dont know how