Update PhysiCell_cell.cpp

Author: MathCancer

core/PhysiCell_cell.cpp

@@ -3401,7 +3401,11 @@ void Cell::remove_self_from_all_neighbors( void )
 		// for each pN, remove pC from list of neighbors 
 			// find pC in neighbors 
 
-			auto SearchResult = pN->state.neighbors.find( pCell ); 		
+
+			auto SearchResult = std::find( 
+				pN->state.neighbors.find( pCell ).begin(), 		
+				pN->state.neighbors.find( pCell ).end(), 
+				pCell );  		
 
 			// if pC is indeed found, remove it  
 			// erase pC from neighbors