Error creating thumbnail: convert-im6.q16: delegate failed `'rsvg-convert' -o '%o' '%i @ error/delegate.c/InvokeDelegate/1966. convert-im6.q16: unable to open file `/tmp/magick-y_0tRmrE92OtW6sFpkLmgcAqNR86ebMl': No such file or directory @ error/constitute.c/ReadImage/619. convert-im6.q16: no images defined `PNG:/tmp/transform_494a3d152ca3.png' @ error/convert.c/ConvertImageCommand/3229.