Why isn't geotiffwrite working in that instance?

I am loading a tiff created in R to modify it and then write the geotiff. I can't write it, it seems to not take the info from the original files.

Error using geotiffwrite>validateGeoKeyDirectoryTagNames (line 610) Expected GeoKeyDirectoryTag.Unknown to match one of these values:

I used it before, but just don't work here... any ideas why this is happening?