An error occurs when using `writeRaster() `with "CDF" format on a previously loaded nc file. ``` Error in ncdf4::ncvar_def(varname, varunit, list(xdim, ydim, zdim), NAflag, : unused argument (sources = "C:\\Users\\fabio\\Desktop\\KrigR\\0001_2m_temperature_2020-01-01_2020-01-31_month.nc") ``` Here's a reproducible example with the following file: [Tw_ERA5-Land_montlhy_averaged_2022.zip](https://github.com/rspatial/raster/files/11102557/Tw_ERA5-Land_montlhy_averaged_2022.zip) ``` filepath = "C:\\YOURPATH\\Tw_ERA5-Land_montlhy_averaged_2022.nc" output_file = "C:\\YOURPATH\\newfile.nc" Era5_ras <- raster(filepath, level = 1) raster::writeRaster(x = Era5_ras, filename = output_file, overwrite = TRUE, format="CDF", varname = "2m_dewpoint_temperature") ```