Found the following significant warnings:
  ../inst/include/lapacke_utils/lapacke_lsame.h:37:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/RFCCA.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-13 (Debian 13.2.0-2) 13.2.0’
Found the following significant warnings:
  ../inst/include/lapacke_utils/lapacke_lsame.h:37:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
See 'd:/Rcompile/CRANpkg/local/4.4/RFCCA.Rcheck/00install.out' for details.
* used C compiler: 'gcc.exe (GCC) 12.2.0'

'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Running examples in ‘RtD3-Ex.R’ failed
The error most likely occurred in:

> ### Name: readInEpiNow2
> ### Title: Read in Results from EpiNow2
> ### Aliases: readInEpiNow2
> 
> ### ** Examples
> 
> # Read in each summary folder
> 
> base_path <- "https://raw.githubusercontent.com/epiforecasts/covid-rt-estimates/"
> rtData <- readInEpiNow2(
+   path = paste0(base_path, "master/national/cases/summary"),
+   region_var = "country")
Error in curl::curl_download(input, tmpFile, mode = "wb", quiet = !showProgress) : 
  HTTP error 503.
Calls: readInEpiNow2 -> <Anonymous> -> <Anonymous>
Execution halted
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory

Running examples in ‘vscc-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: plot.vscc
> ### Title: Plotting for VSCC Objects
> ### Aliases: plot.vscc
> 
> ### ** Examples
> 
> require("mclust")
Loading required package: mclust
Package 'mclust' version 6.0.0
Type 'citation("mclust")' for citing this R package in publications.
> data(banknote)
> bankrun <- vscc(banknote[,-1])
Error in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) : 
  invalid non-character version specification 'x' (type: double)
Calls: vscc ... as.numeric_version -> numeric_version -> .make_numeric_version
Execution halted
Running examples in ‘vscc-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: plot.vscc
> ### Title: Plotting for VSCC Objects
> ### Aliases: plot.vscc
> 
> ### ** Examples
> 
> require("mclust")
Loading required package: mclust
Package 'mclust' version 6.0.0
Type 'citation("mclust")' for citing this R package in publications.
> data(banknote)
> bankrun <- vscc(banknote[,-1])
Error in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) : 
  invalid non-character version specification 'x' (type: double)
Calls: vscc ... as.numeric_version -> numeric_version -> .make_numeric_version
Execution halted