[R] Error: cannot remove prior installation of package ‘BiocManager’

[Uwe Ligges]

The packages must not be loaded when you try to update.

Best,
Uwe Ligges



On 19.06.2020 12:07, Ankush Sharma wrote:
> Dear all,
> 
> I am working R version 4.0.1 macos catalina , I´m not able to load
> libraries e.g ggplot2
> 
> Error: Error: package or namespace load failed for ‘ggplot2’ in
> loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
>   there is no package called ‘gtable’
> Then i tried installing gtable,  But  installation is showing error :
> Error in install.packages : cannot remove prior installation of package
> ‘gtable’
> 
> This is also for other packages like BiocManager, when I manually changed
> the name or removed the BiocManager from the library, the package was
> smoothly installed.
> Any pointers on how to solve this problem without manual removal of
> packages.  remove.packages command is also not working.
> 
> Thanks in advance.
> 
> Best Regards
> *Ankush Sharma*
> 
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