Fix error message in multi_clust
Fix error message in multi_clust

catterbu/receptormarker,nsh87/receptormarker,nsh87/receptormarker,catterbu/receptormarker,catterbu/receptormarker,nsh87/receptormarker,nsh87/receptormarker,catterbu/receptormarker,nsh87/receptormarker,catterbu/receptormarker