Package check result: ERROR

Check: examples, Result: ERROR
  Running examples in ‘DrugSim2DR-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: DrugReposition
  > ### Title: DrugReposition
  > ### Aliases: DrugReposition
  > 
  > ### ** Examples
  > 
  > library("igraph")
  
  Attaching package: ‘igraph’
  
  The following objects are masked from ‘package:stats’:
  
      decompose, spectrum
  
  The following object is masked from ‘package:base’:
  
      union
  
  > # Obtain the example data
  > GEP<-Gettest("GEP")
  > label<-Gettest("label")
  > # Run the function
  > DEscore<-CalDEscore(GEP,label)
  > # Run the function
  > ## No test: 
  > drug_centrality<-DrugReposition(DE=DEscore,nperm = 1000,r = 0.9,p = 10^-10)
  Error in `set_vertex_attr()`:
  ! `name` must be a single string, not `TRUE`.
  Backtrace:
      ▆
   1. └─DrugSim2DR::DrugReposition(...)
   2.   └─igraph::graph.adjacency(...)
   3.     └─igraph::graph_from_adjacency_matrix(...)
   4.       └─igraph::set_vertex_attr(name = add.rownames)
   5.         └─igraph:::check_string(name)
   6.           └─igraph:::stop_input_type(...)
   7.             └─rlang::abort(message, ..., call = call, arg = arg)
  Execution halted