namespaceExport（ns，exports）中的错误：undefined exports：...错误：程序包或命名空间加载失败

问题描述

我最近将R更新为最新版本（R版本3.1.1），现在我无法运行加载包。在ggplot2的情况下，运行库（ggplot2）后的错误消息是：

I recently updated R to the latest version (R version 3.1.1) and now I can´t run load packages. In the case of ggplot2, the error message after running library("ggplot2") is

    *Error in namespaceExport(ns, exports) :   
  undefined exports: ContinuousRange, DiscreteRange, abs_area, alpha, area_pal, as.trans, asn_trans, atanh_trans, boxcox_trans, brewer_pal, cbreaks, censor, col2hcl, comma, comma_format, cscale, date_breaks, date_format, date_trans, dichromat_pal, discard, div_gradient_pal, dollar, dollar_format, dscale, exp_trans, expand_range, extended_breaks, format_format, fullseq, gradient_n_pal, grey_pal, hue_pal, identity_pal, identity_trans, is.trans, linetype_pal, log10_trans, log1p_trans, log2_trans, log_breaks, log_trans, logit_trans, manual_pal, math_format, muted, parse_format, percent, percent_format, pretty_breaks, probability_trans, probit_trans, reciprocal_trans, rescale, rescale_max, rescale_mid, rescale_none, rescale_pal, reverse_trans, scientific, scientific_format, seq_gradient_pal, shape_pal, show_col, sqrt_trans, squish, squish_infinite, time_trans, trans_breaks, trans_format, trans_new, trans_range, zero_range  

Además: Mensajes de aviso perdidos  
S3 methods 'fullseq.Date', 'fullseq.POSIXt', 'fullseq.numeric', 'print.trans' were declared in NAMESPACE but not found 
Error: package or namespace load failed for 'ggplot2'*

对于包BiodiversityR，错误消息以

For package BiodiversityR, the error message ends with

*Error: package or namespace load failed for 'BiodiversityR'*

我尝试了几个技巧，例如重新安装，更新，版本，包括32位版本。

I've tried several tricks like re-installing, updating, loading in previous R versions, including 32-bit versions.

sessionInfo:  
R version 3.1.1 (2014-07-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=Spanish_Mexico.1252  LC_CTYPE=Spanish_Mexico.1252   
[3] LC_MONETARY=Spanish_Mexico.1252 LC_NUMERIC=C                   
[5] LC_TIME=Spanish_Mexico.1252    

attached base packages:
[1] tcltk     stats     graphics  grDevices utils     datasets  methods  
[8] base     

other attached packages:
[1] xtable_1.7-3 reshape2_1.4 nlme_3.1-117 plyr_1.8.1  

loaded via a namespace (and not attached):
 [1] colorspace_1.2-4 digest_0.6.4     grid_3.1.1       gtable_0.1.2
 [5] lattice_0.20-29  munsell_0.4.2    proto_0.3-10     Rcpp_0.11.1     
 [9] stringr_0.6.2    tools_3.1.1  

    packageVersion("ggplot2")
[1] '1.0.0'

推荐答案

我经常发现简单地使用require（）重试一些reas on：
require（BiodiversityR）

I often find simply retrying with require() works for some reason:require(BiodiversityR)

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