Recently installed CA Gen Implementation Toolset on Z/OS. Type TSO %GENIT to display the first menu. After selecting option 1, get error, '' is invalid transaction code (load module ' ' not found).
z/OS Implementation Toolset
Host On Demand (HOD) emulator caused the problem and is not supported. Use a supported emulator which are Attachmate (Reflections), RUMBA, and IBM Personal Communications.