warning when install

[mariev]

install_github('chromatoplots', 'tengfei', args = '--no-multiarch')

• DONE (chromatoplots)
  Reloading installed chromatoplots
  unloadNamespace("chromatoplots") not successful. Forcing unload.
  Error in rm(name, ns_registry()) :
  ... must contain names or character strings

[tengfei]

the only warning I got during installation is

Warning: Class "C++Object" is defined (with package slot 'Rcpp') but no metadata object found to revise subclass information---not exported? Making a copy in package '.GlobalEnv'
** help

Can you provide the sessionInfo()?

Thanks

Tengfei