BioC 3.5: BUILD report for metagenomeFeatures on oaxaca

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### Running command:
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###   /Library/Frameworks/R.framework/Versions/Current/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data metagenomeFeatures
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* checking for file ‘metagenomeFeatures/DESCRIPTION’ ... OK
* preparing ‘metagenomeFeatures’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
Loading required package: BiocGenerics
Loading required package: parallel

Attaching package: 'BiocGenerics'

The following objects are masked from 'package:parallel':

    clusterApply, clusterApplyLB, clusterCall, clusterEvalQ,
    clusterExport, clusterMap, parApply, parCapply, parLapply,
    parLapplyLB, parRapply, parSapply, parSapplyLB

The following objects are masked from 'package:stats':

    IQR, mad, sd, var, xtabs

The following objects are masked from 'package:base':

    Filter, Find, Map, Position, Reduce, anyDuplicated, append,
    as.data.frame, cbind, colMeans, colSums, colnames, do.call,
    duplicated, eval, evalq, get, grep, grepl, intersect,
    is.unsorted, lapply, lengths, mapply, match, mget, order,
    paste, pmax, pmax.int, pmin, pmin.int, rank, rbind, rowMeans,
    rowSums, rownames, sapply, setdiff, sort, table, tapply,
    union, unique, unsplit, which, which.max, which.min

Loading required package: S4Vectors
Loading required package: stats4

Attaching package: 'S4Vectors'

The following object is masked from 'package:base':

    expand.grid

Loading required package: IRanges
Loading required package: XVector
Loading required package: Biobase
Welcome to Bioconductor

    Vignettes contain introductory material; view with
    'browseVignettes()'. To cite Bioconductor, see
    'citation("Biobase")', and for packages 'citation("pkgname")'.

Loading required package: limma

Attaching package: 'limma'

The following object is masked from 'package:BiocGenerics':

    plotMA

Loading required package: glmnet
Loading required package: Matrix

Attaching package: 'Matrix'

The following object is masked from 'package:S4Vectors':

    expand

Loading required package: foreach
Loaded glmnet 2.0-5

Loading required package: RColorBrewer
Quitting from lines 49-50 (Example_16S_Annotation_Workflow.Rmd) 
Error: processing vignette 'Example_16S_Annotation_Workflow.Rmd' failed with diagnostics:
no slot of name "tree" for this object of class "MgDb"
Execution halted
BioC 3.5: BUILD report for metagenomeFeatures on oaxaca

Summary

Command output
