试图在Linux mashine上安装R软件包"eurostat"，但我收到以下错误输出（Error in namespaceExport(ns, exports)）。
我可以在其他Linux机器上重现相同的错误，但不能在Windows 7（虚拟机）上重现该错误。
我在其他软件包中没有观察到这种行为（安装新软件包或重新安装旧软件包都可以，没有任何错误）
关于如何解决它的任何想法？
install.packages("eurostat")
Installing package into ‘/home/pc/R/x86_64-pc-linux-gnu-library/3.4’
(as ‘lib’ is unspecified)
trying URL 'https://cloud.r-project.org/src/contrib/eurostat_3.3.5.tar.gz'
Content type 'application/x-gzip' length 4561070 bytes (4.3 MB)
==================================================
downloaded 4.3 MB
* installing *source* package ‘eurostat’ ...
** package ‘eurostat’ successfully unpacked and MD5 sums checked
** R
** data
*** moving datasets to lazyload DB
** inst
** preparing package for lazy loading
Warning: S3 methods ‘as.array.SpatialGridDataFrame’, ‘as.character.DMS’, ‘as.data.frame.SpatialPoints’, ‘as.data.frame.SpatialMultiPoints’, ‘as.data.frame.SpatialPixels’, ‘as.data.frame.SpatialGrid’, ‘as.data.frame.SpatialPointsDataFrame’, ‘as.data.frame.SpatialMultiPointsDataFrame’, ‘as.data.frame.SpatialPixelsDataFrame’, ‘as.data.frame.SpatialGridDataFrame’, ‘as.data.frame.SpatialLinesDataFrame’, ‘as.data.frame.SpatialPolygonsDataFrame’, ‘as.data.frame.GridTopology’, ‘as.double.DMS’, ‘as.numeric.DMS’, ‘as.matrix.SpatialGridDataFrame’, ‘as.matrix.SpatialPixelsDataFrame’, ‘aggregate.Spatial’, ‘cbind.Spatial’, ‘cbind.SpatialGridDataFrame’, ‘contour.SpatialPixelsDataFrame’, ‘contour.SpatialGridDataFrame’, ‘dim.SpatialPointsDataFrame’, ‘dim.SpatialMultiPointsDataFrame’, ‘dim.SpatialLinesDataFrame’, ‘dim.SpatialPolygonsDataFrame’, ‘dim.SpatialPixelsDataFrame’, ‘dim.SpatialGridDataFrame’, [... truncated]
Error in namespaceExport(ns, exports) :
undefined exports: CRS, identicalCRS, getGridIndex, points2grid, bpy.colors, bubble, mapasp, point.in.polygon, spmap.to.lev, zerodist, zerodist2, remove.duplicates, degAxis, %over%, get_ll_warn, set_ll_warn, get_ll_TOL, set_ll_TOL, get_ReplCRS_warn, set_ReplCRS_warn, get_Polypath, set_Polypath, get_PolypathRule, set_PolypathRule, set_col_regions, get_col_regions, coordinatevalues, dimensions, Spatial, SpatialPoints, SpatialPointsDataFrame, SpatialMultiPoints, SpatialMultiPointsDataFrame, Line, Lines, SpatialLines, SpatialLinesDataFrame, as.SpatialLines.SLDF, LineLength, LinesLength, SpatialLinesLengths, layout.scale.bar, layout.north.arrow, sp.theme, mapLegendGrob, spplot.key, panel.ggmap, panel.gridplot, panel.polygonsplot, panel.pointsplot, panel.RgoogleMaps, sp.polygons, sp.lines, sp.text, sp.points, sp.grid, SpatialPolygonsRescale, spplot.locator, sp.panel.layout, degreeLabelsEW, degreeLabelsNS, longlat.scales, bbexpand, compassRose, as.image.SpatialGridDataFrame, image2Grid, imageScale, gridparameters, SpatialPixels, SpatialPixelsDataFrame, SpatialGrid, SpatialGridDataFrame, GridTopology, getGridTopology, areaSpatialGrid, gridlines, gridat, gridIndex2nb, getSLlinesSlot, getLinesLinesSlot, getLinesIDSlot, getSLLinesIDSlots, getSpatialLinesMidPoints, getPolygonCoordsSlot, getPolygonLabptSlot, getPolygonAreaSlot, getPolygonHoleSlot, getPolygonsPolygonsSlot, getPolygonsplotOrderSlot, getPolygonsLabptSlot, getPolygonsIDSlot, getSpPpolygonsSlot, getSpPplotOrderSlot, getSpPPolygonsLabptSlots, getSpPPolygonsIDSlots, getSpPnParts, getSpPnHoles, getSpatialPolygonsLabelPoints, select.spatial, as.SpatialPolygons.PolygonsList, dd2dms, print.DMS, char2dms, as.character.DMS, as.double.DMS, as.numeric.DMS, as.SpatialPolygons.GridTopology, IDvaluesGridTopology, IDvaluesSpatialPixels, HexPoints2SpatialPolygons, flipHorizontal, flipVertical, loadMeuse, makegrid, overDF_for_rgeos, read.asciigrid, Polygon, Polygons, cbind.Spatial, rbind.SpatialPoints, rbind.SpatialPointsDataFrame, rbind.SpatialMultiPoints, rbind.SpatialMultiPointsDataFrame, rbind.SpatialPixels, rbind.SpatialPixelsDataFrame, rbind.SpatialPolygons, rbind.SpatialPolygonsDataFrame, rbind.SpatialLines, rbind.SpatialLinesDataFrame, SpatialPolygons, SpatialPolygonsDataFrame, spDistsN1, spDists, write.asciigrid
ERROR: lazy loading failed for package ‘eurostat’
* removing ‘/home/pc/R/x86_64-pc-linux-gnu-library/3.4/eurostat’
* restoring previous ‘/home/pc/R/x86_64-pc-linux-gnu-library/3.4/eurostat’
Warning in install.packages :
installation of package ‘eurostat’ had non-zero exit status
我的R sessionInfo（）：
sessionInfo()
R version 3.4.4 (2018-03-15)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Linux Mint 19.1
Matrix products: default
BLAS: /usr/lib/x86_64-linux-gnu/blas/libblas.so.3.7.1
LAPACK: /usr/lib/x86_64-linux-gnu/lapack/liblapack.so.3.7.1
locale:
[1] LC_CTYPE=C.UTF-8 LC_NUMERIC=C LC_TIME=C.UTF-8 LC_COLLATE=C.UTF-8 LC_MONETARY=C.UTF-8
[6] LC_MESSAGES=C.UTF-8 LC_PAPER=C.UTF-8 LC_NAME=C LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=C.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] gridExtra_2.3 RColorBrewer_1.1-2 lubridate_1.7.4 forcats_0.4.0 stringr_1.4.0 dplyr_0.8.0.1 purrr_0.3.2
[8] readr_1.3.1 tidyr_0.8.3 tibble_2.1.1 ggplot2_3.1.1 tidyverse_1.2.1
loaded via a namespace (and not attached):
[1] Rcpp_1.0.1 cellranger_1.1.0 pillar_1.3.1 compiler_3.4.4 plyr_1.8.4 tools_3.4.4 jsonlite_1.6
[8] gtable_0.3.0 nlme_3.1-139 lattice_0.20-38 pkgconfig_2.0.2 rlang_0.3.4 cli_1.1.0 rstudioapi_0.10
[15] yaml_2.2.0 haven_2.1.0 withr_2.1.2 xml2_1.2.0 httr_1.4.0 generics_0.0.2 hms_0.4.2
[22] grid_3.4.4 tidyselect_0.2.5 glue_1.3.1 R6_2.4.0 readxl_1.3.1 modelr_0.1.4 magrittr_1.5
[29] backports_1.1.4 scales_1.0.0 rvest_0.3.3 assertthat_0.2.1 colorspace_1.4-1 stringi_1.4.3 lazyeval_0.2.2
[36] munsell_0.5.0 broom_0.5.2 crayon_1.3.4