QFSFileEngine::open: No file name specified Qt: 4.8.7 KDE Development Platform: 4.14.34 kdiff3: 0.9.98 (64 bit)

QFSFileEngine::open: No file name specified Usage: kdiff3 [Qt-options] [KDE-options] [options] [File1] [File2] [File3] Tool for Comparison and Merge of Files and Directories Generic options: --help Show help about options --help-qt Show Qt specific options --help-kde Show KDE specific options --help-all Show all options --author Show author information -v, --version Show version information --license Show license information -- End of options Options: -m, --merge Merge the input. -b, --base file Explicit base file. For compatibility with certain tools. -o, --output file Output file. Implies -m. E.g.: -o newfile.txt --out file Output file, again. (For compatibility with certain tools.) --auto No GUI if all conflicts are auto-solvable. (Needs -o file) --qall Don't solve conflicts automatically. --L1 alias1 Visible name replacement for input file 1 (base). --L2 alias2 Visible name replacement for input file 2. --L3 alias3 Visible name replacement for input file 3. -L, --fname alias Alternative visible name replacement. Supply this once for every input. --cs string Override a config setting. Use once for every setting. E.g.: --cs "AutoAdvance=1" --confighelp Show list of config settings and current values. --config file Use a different config file. Arguments: File1 file1 to open (base, if not specified via --base) File2 file2 to open File3 file3 to open -u, --ignore Ignored. (User defined.) --query Ignored. (User defined.) --html Ignored. (User defined.) --abort Ignored. (User defined.)