snapshot - yaml error

[Carter Brian]

I have RStudio Project with packrat. Getting following error:

packrat::snapshot()
Error in yaml::yaml.load(string, ...) : Duplicate map key: 'output'

Tried

packrat:::appDependencies()
Error in yaml::yaml.load(string, ...) : Duplicate map key: 'output'

Is this due a malformed yaml in .rmd file? Have looked at them all and they all knit okay.

[Kevin Ushey]

Hi Carter,

It would be helpful if you could share what the YAML header of your R Markdown document(s) looks like, but my guess based on the error message is that the 'output:' key is showing up twice in a YAML map somewhere.

Thanks,
Kevin

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