In the below commands, the elements are selected but ALL the nodes are selected at this point (assuming you did a ALLSEL before SOLVE). So the 'interface_nodes_bed_contact' has all the nodes? Can you try doing a NSLE before creating this component?
esel,s,enam,,174 ! selection of contact elements 174
etab,contact_elem,nmis,41 ! etable of selected elements
cm,interface_nodes_bed_contact,node ! building a named component
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