I've done this a million times in the past but I came across this issue I can't get around with the newest repo
And then it deletes my Ultima.dll file every time.
C:\WINDOWS\system32>C:\Program Files\UO SERVER\TEST SHARD\ServUO-master\bin\roslyn\csc.exe /r:"C:\Program Files\UO SERVER\TEST SHARD\ServUO-master\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll" /target:library /out:"C:\Program Files\UO SERVER\TEST SHARD\ServUO-master\Ultima.dll" /recurse:"C:\Program Files\UO SERVER\TEST SHARD\ServUO-master\Ultima\*.cs" /d:ServUO /d:NEWTIMERS /nowarn:0618 /nologo /unsafe /optimize
'C:\Program' is not recognized as an internal or external command,
operable program or batch file.
And then it deletes my Ultima.dll file every time.