Just to clarify, your package is exporting a class that is not
defined? Or is it exporting a class that is defined by a dependency
and then masked by setOldClass()? A simple reproducible example would
help.
On Fri, Sep 6, 2019 at 7:48 AM Thierry Onkelinx via R-devel
<r-devel@r-project.org> wrote:
>
> Dear all,
>
> Today I got this error message (R 3.6.1) when installing my package:
>
> Error: package or namespace load failed for ‘inlatools’ in
> namespaceExport(ns, exports):
> undefined exports: .__C__inla
>
> My package was using setOldClass("inla") and exported the "inla" class via
> the NAMESPACE. It imports functions from the INLA package. Older versions
> of the INLA package did not export the "inla" class. Hence the use of
> setOldClass().
> The current version of the INLA package does export the "inla" class
> through it NAMESPACE. This triggered the error described above.
>
> Is the possible to improve this error message? The current message is
> misleading as neither packages contain the string ".__C__inla"
>
> Best regards,
>
> ir. Thierry Onkelinx
> Statisticus / Statistician
>
> Vlaamse Overheid / Government of Flanders
> INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND
> FOREST
> Team Biometrie & Kwaliteitszorg / Team Biometrics & Quality Assurance
> thierry.onkel...@inbo.be
> Havenlaan 88 bus 73, 1000 Brussel
> www.inbo.be
>
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