Calculation failed

INPUT FOR ISOTROPIC DIELECTRICS
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EPS= 78.39
INPUT FOR CAVITY DEFINITION
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ATOM COORDINATES RADIUS EPS
1 0.2186 0.5226 0.1180 1.8100 78.3900
2 1.7096 -0.6269 0.0336 0.0000 78.3900
**** ERROR **** PCM SPHERE(S) MUST HAVE A POSITIVE RADIUS
EXECUTION OF GAMESS TERMINATED -ABNORMALLY- AT Sun Jul 5 15:36:31 2020