Package check result: ERROR

Check: examples, Result: ERROR
  Running examples in ‘PartialNetwork-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: mcmcSAR
  > ### Title: Bayesian Estimator of SAR model
  > ### Aliases: mcmcSAR
  > 
  > ### ** Examples
  > 
  > # We assume that the network is fully observed
  > # See our vignette for examples where the network is partially observed
  > # Number of groups
  > M             <- 10
  > # size of each group
  > N             <- rep(20,M)
  > # individual effects
  > beta          <- c(2,1,1.5)
  > # contextual effects
  > gamma         <- c(5,-3)
  > # endogenous effects
  > alpha         <- 0.4
  > # std-dev errors
  > se            <- 1
  > # prior distribution
  > prior         <- runif(sum(N*(N-1)))
  > prior         <- vec.to.mat(prior, N, normalise = FALSE)
  > # covariates
  > X             <- cbind(rnorm(sum(N),0,5),rpois(sum(N),7))
  > # true network
  > G0            <- sim.network(prior)
  > # normalise
  > G0norm        <- norm.network(G0)
  > GX            <- peer.avg(G0norm, X)
  > # simulate dependent variable use an external package
  > y             <- CDatanet::simsar(~ X + GX, Glist = G0norm,
  +                                   theta = c(alpha, beta, gamma, se))
  Error in loadNamespace(x) : there is no package called ‘CDatanet’
  Calls: loadNamespace -> withRestarts -> withOneRestart -> doWithOneRestart
  Execution halted