did you entered the ip from the pc in ddd ?
maybe you could also try to use complete absolut path not using placeholders like %xx%
it seems to not get any connection to pc -> maybe disable firewall for short time to try to connect without firewall
btw:
Open file: e:/!_dump/ssbu/vol/content/dt00
Read file 3989328 kb loaded with 1018.571 kb/s
finished here for SSBU EU version
now the next files dumping seems to work nice
on the first seconds of the game you should get the "Client 0 connected" message on dos commandline and starting to dump the files
c:\WiiU\!!\titledumper.win32.v0.4>titledumper.exe /vol "e:/!_dump/ssbu/"
Title Dumper by Dimok
Waiting for WiiU connection... (press Ctrl+C to stop)
Client 0 connected
Create path: e:/!_dump/ssbu/vol/code
Open file: e:/!_dump/ssbu/vol/code/cos.xml
Read file 0 kb loaded with 0.000 kb/s