Robert Hijmans

These are very old versions. But I can run this with nearly as old versions of GDAL/PROJ on Debian. ``` library(raster) DEM

Can you provide the `traceback()` just after the error occurs?

Do the examples in `?projectRaster` work? To see if this is a general failure (I assume it is) or is it associated with your specific crs). Can you get more...

Thanks, that is helpful, that explains it. But why? What does this return? ``` proj4string(DEM) ``` And this: ``` proj4string(DEM)

See here for [installing older versions](https://support.rstudio.com/hc/en-us/articles/219949047-Installing-older-versions-of-packages) of R packages. The versions of "raster" are [listed here](https://cran.r-project.org/src/contrib/Archive/raster/). Version 3.5-21 should be safe (not affected by the changes from moving away from...

What is the functionality that you are looking for? That is, what is lost for you when that file is not there? Also, can you provide a reproducible example, otherwise...

When you can, please let me know what the missing functionality is so that I may be able to address that.

These are annoying messages that I understand to be emitted by the R garbage collection process. They are not errors in the sense that your code runs and your results...

It looks like this problem has now been [solved](https://github.com/rspatial/terra/issues/30) by making a change in Rcpp, but it will take a couple of months until that is released

But if you can install "terra" from source, the problem will go away if you use the development version of Rcpp ``` install.packages("Rcpp", repos="https://rcppcore.github.io/drat") install.packages("terra") ```