Error(s) in re-building vignettes:
--- re-building ‘ndtv.Rnw’ using Sweave
Loading required package: network

‘network’ 1.17.1 (2021-06-12), part of the Statnet Project
* ‘news(package="network")’ for changes since last version
* ‘citation("network")’ for citation information
* ‘https://statnet.org’ for help, support, and other information

Loading required package: networkDynamic

‘networkDynamic’ 0.11.0 (2021-06-12), part of the Statnet Project
* ‘news(package="networkDynamic")’ for changes since last version
* ‘citation("networkDynamic")’ for citation information
* ‘https://statnet.org’ for help, support, and other information

Loading required package: animation
Loading required package: sna
Loading required package: statnet.common

Attaching package: ‘statnet.common’

The following objects are masked from ‘package:base’:

    attr, order

sna: Tools for Social Network Analysis
Version 2.6 created on 2020-10-5.
copyright (c) 2005, Carter T. Butts, University of California-Irvine
 For citation information, type citation("sna").
 Type help(package="sna") to get started.


‘ndtv’ 0.13.0 (2019-05-21), part of the Statnet Project
* ‘news(package="ndtv")’ for changes since last version
* ‘citation("ndtv")’ for citation information
* ‘https://statnet.org’ for help, support, and other information

No slice.par found, using
Calculating layout for network slice from time  1 to 2
Calculating layout for network slice from time  2 to 3
Calculating layout for network slice from time  3 to 4
Calculating layout for network slice from time  4 to 5
Calculating layout for network slice from time  5 to 6
Calculating layout for network slice from time  6 to 7
Calculating layout for network slice from time  7 to 8
Calculating layout for network slice from time  8 to 9
Calculating layout for network slice from time  9 to 10
Calculating layout for network slice from time  10 to 11
Calculating layout for network slice from time  11 to 12
Calculating layout for network slice from time  12 to 13
rendering 10 frames for slice 0
rendering 10 frames for slice 1
rendering 10 frames for slice 2
rendering 10 frames for slice 3
rendering 10 frames for slice 4
rendering 10 frames for slice 5
rendering 10 frames for slice 6
rendering 10 frames for slice 7
rendering 10 frames for slice 8
rendering 10 frames for slice 9
rendering 10 frames for slice 10
rendering 10 frames for slice 11
Loading required package: tergm
Warning in library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE,  :
  there is no package called ‘tergm’
Warning in data("florentine") : data set ‘florentine’ not found

Error: processing vignette 'ndtv.Rnw' failed with diagnostics:
 chunk 6 (label = loading_data) 
Error in plot(flobusiness, displaylabels = TRUE) : 
  object 'flobusiness' not found

--- failed re-building ‘ndtv.Rnw’

SUMMARY: processing the following file failed:
  ‘ndtv.Rnw’

Error: Vignette re-building failed.
Execution halted