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I'm trying to install the development version (v. 0.8.0) of XMLSchema in R 3.2.0 on a Windows 64-bit computer. Unfortunately, the release version (v. 0.7.0) doesn't work for the database I am trying to access. However, when I try to install 0.8.0 from source, I get the following error:

> install.packages("XMLSchema", type="source", repos = NULL)
Installing package into ‘C:/Users/Will/Documents/R/win-library/3.2’
(as ‘lib’ is unspecified)
* installing *source* package 'XMLSchema' ...
** R
** inst
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded
Error in .mergeMethodsTable(generic, mtable, tt, attach) : 
  trying to get slot "defined" from an object of a basic class ("list") with no slots
Error: loading failed
Execution halted
ERROR: loading failed
* removing 'C:/Users/Will/Documents/R/win-library/3.2/XMLSchema'
Warning in install.packages :
  running command '"C:/PROGRA~1/R/R-32~1.0/bin/x64/R" CMD INSTALL -l "C:\Users\Will\Documents\R\win-library\3.2" "XMLSchema"' had status 1
Warning in install.packages :
  installation of package ‘XMLSchema’ had non-zero exit status

Any thoughts or insight would be greatly appreciated. The package worked for previous versions of R, perhaps it's a compatibility problem? Thanks.

William Gearty
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    FYI...I'm on a 64 bit windows machine using Rstudio running R 3.1.3 and have XMLSchema v 0.7.0 installed. I just tried installing v 0.8.0 with no problems. good luck. seems like a version compatibility issue. – miles2know Apr 22 '15 at 19:17
  • Yeah, I had v. 0.8.0 installed under R 3.1.3, but no luck with R 3.2.0. – William Gearty Apr 23 '15 at 20:01

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