Error in deserializePackages(utils::tail(df, -1)) :

[Andy Shapiro]

I'm working with a collaborator and we're using the same codebase in github, and we're saving the packrat lockfile. When I pull the latest code I get this error:

> packrat::on()
Packrat mode on. Using library in directory:
- "~/dev/shiny_neurotox/packrat/lib"
Error in deserializePackages(utils::tail(df, -1)) :
  The following dependencies are missing lockfile entries: semver, NMF, registry

I can install the packages but they're not added to packrat.  How can I get packrat back to a usable state?

[Kevin Ushey]

Hi Andy,

After installing those packages, you could try re-snapshotting to ensure those packages are added back to the lockfile. Does that help here? E.g.

packrat::on(auto.snapshot = FALSE)

install.packages(c("emver", "NMF", "registry"))
packrat::snapshot()

I'm curious as to how you ended up with a lockfile missing dependent packages in the first place, however.

Let me know if this helps,

Kevin

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[Vlad]

Hi Kevin,

I ended up with the same situation with different packages (dbplyr and fansi). AFAIK nothing in packrat files was changed manually.

Your solution didn't work for me:

I was unable to install the packages as the same error appeared:

Error in deserializePackages(utils::tail(df, -1)) : 
  The following dependencies are missing lockfile entries: fansi, dbplyr
Calls: source ... afterPackratModeOn -> lockInfo -> readLockFile -> deserializePackages
Execution halted
Warning in install.packages :
  installation of package ‘fansi’ had non-zero exit status

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