Daphne Rocket Launcher Error

--DAPHNE version 1.0.12
--Command line is: D:\Games\HyperSpin\Emulators\Daphne\daphne.exe rb vldp -blank_searches -prefer_samples -noissues -fastboot -opengl -fullscreen -x 1920 -y 1200 -homedir . -framefile D:\Games\HyperSpin\Emulators\Daphne\vldp\rb\rb.txt
--CPU : GenuineIntel 4000 MHz || Mem : 2048 megs
--OS : Windows NT Derivative || Video : NVIDIA GeForce GTX 1080
--OpenGL: Compiled In
--RGB2YUV Function: MMX
--Line Blending Function: MMX
--Audio Mixing Function: MMX
Setting alternate home dir:
.
ERROR: Unknown game type specified : rb
Bad command line or initialization problem (see daphne_log.txt for details).
To run DAPHNE, you must specify which game to run and which laserdisc player you are using.
For example, try 'daphne lair noldp' to run Dragon's Lair in testing mode.