[phenixbb] a command on Phenix refine

[Wind Sui]

Dear All,
I use the graphic phenix.refine to do a refinement, and Phenix informed me I need to have a command "refinement.pdb_interpretation.clash_guard.nonbonded_distance_threshold=None". Will you please tell me by graphic phenic.refine, how can I input this command?
Wind 
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