Respected Scientists and Researchers,

I am completely new to the field of computational chemistry. I am trying to run GAMESS by taking help of some tutorial videos available on internet. However each time, i am getting the following error message leading to abrupt unsuccessful abortion of the program:

**** ERROR **** PCM SPHERE(S) MUST HAVE A POSITIVE RADIUS

EXECUTION OF GAMESS TERMINATED -ABNORMALLY- AT Sat Jun 13 00:57:43 2020

580000 WORDS OF DYNAMIC MEMORY USED

STEP CPU TIME = 0.23 TOTAL CPU TIME = 0.2 ( 0.0 MIN)

TOTAL WALL CLOCK TIME= 0.2 SECONDS, CPU UTILIZATION IS 100.00%

job aborted:

[ranks] message

[0] application aborted

aborting MPI_COMM_WORLD (comm=0x44000000), error 911, comm rank 0

[1] terminated

---- error analysis -----

[0] on LAPTOP-CVN993I2

C:\Users\Public\gamess-64\gamess.2019.R1.P1.mkl.exe aborted the job. abort code 911

---- error analysis -----

Can some body please guide me tell me how to carry out energy optimization on GAMESS? Any good tutorial video or handout is available?

Thank you and regards.