Namespaces in Imports field not imported from:
  ‘RSpectra’ ‘tidyverse’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘RSpectra’ ‘tidyverse’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘RSpectra’ ‘tidyverse’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘RSpectra’ ‘tidyverse’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘RSpectra’ ‘tidyverse’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘RSpectra’ ‘tidyverse’
  All declared Imports should be used.

'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory

'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory

Error(s) in re-building vignettes:
  ...
--- re-building ‘liayson.Rnw’ using Sweave
Ensembl site unresponsive, trying uswest mirror

Error: processing vignette 'liayson.Rnw' failed with diagnostics:
 chunk 1 
Error in readRDS(bfc[[rid]]) : unknown input format

--- failed re-building ‘liayson.Rnw’

SUMMARY: processing the following file failed:
  ‘liayson.Rnw’

Error: Vignette re-building failed.
Execution halted