While performing GAMESS Calculation, got the error that the GAMESS config file "C:\gamess.64\parameters.gms" isn't configured with the current installation path "C:\gamess.64".
What can I do to fix this problem?
Chem3D Ultra 20.0 supports GAMESS 2018 (64 bit).
It appears you have installed GAMESS 2019. Please contact GAMESS support and get GAMESS 2018 (64 bit) installer, if you have downloaded GAMESS 2019 installer.