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### Running command:
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###   /home/biocbuild/bbs-3.22-bioc/R/bin/R CMD build --keep-empty-dirs --no-resave-data --md5 epivizrServer
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* checking for file ‘epivizrServer/DESCRIPTION’ ... OK
* preparing ‘epivizrServer’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘epivizrServer.Rmd’ using rmarkdown
createTcpServer: address already in use

Quitting from epivizrServer.Rmd:23-56 [unnamed-chunk-1]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `value[[3L]]()`:
! Error starting epivizServer, likely because port 7123 is in use.
Try a different port number or setting try_ports=TRUE (see ?startEpiviz).
---
Backtrace:
    ▆
 1. └─server$start_server()
 2.   └─base::tryCatch(...)
 3.     └─base (local) tryCatchList(expr, classes, parentenv, handlers)
 4.       └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
 5.         └─value[[3L]](cond)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'epivizrServer.Rmd' failed with diagnostics:
Error starting epivizServer, likely because port 7123 is in use.
Try a different port number or setting try_ports=TRUE (see ?startEpiviz).
--- failed re-building ‘epivizrServer.Rmd’

SUMMARY: processing the following file failed:
  ‘epivizrServer.Rmd’

Error: Vignette re-building failed.
Execution halted