Error in re-building vignettes:
  ...
Loading required package: lubridate

Attaching package: 'lubridate'

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

    date

Loading required package: PerformanceAnalytics
Loading required package: xts
Loading required package: zoo

Attaching package: 'zoo'

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

    as.Date, as.Date.numeric


Attaching package: 'PerformanceAnalytics'

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

    legend

Loading required package: quantmod
Loading required package: TTR
Version 0.4-0 included new data defaults. See ?getSymbols.
Loading required package: tidyverse
-- Attaching packages ---------------------------------- tidyverse 1.2.1 --
v ggplot2 2.2.1     v purrr   0.2.4
v tibble  1.4.2     v dplyr   0.7.4
v tidyr   0.8.0     v stringr 1.3.0
v readr   1.1.1     v forcats 0.3.0
-- Conflicts ------------------------------------- tidyverse_conflicts() --
x lubridate::as.difftime() masks base::as.difftime()
x lubridate::date()        masks base::date()
x dplyr::filter()          masks stats::filter()
x dplyr::first()           masks xts::first()
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x dplyr::last()            masks xts::last()
x lubridate::setdiff()     masks base::setdiff()
x lubridate::union()       masks base::union()
Getting data...

Warning in download.file(url, destfile = tmp, quiet = TRUE) :
  InternetOpenUrl failed: 'Eine Umleitungsanforderung ändert eine nicht sichere in eine sichere Verbindung.'
Warning in value[[3L]](cond) :
  Error at nasdaq during call to tq_exchange.
Warning: x = 'AAPL', get = 'stock.prices': Error in download.file(paste(google.URL, "q=", Symbols.name, "&startdate=", : cannot open URL 'http://finance.google.com/finance/historical?q=AAPL&startdate=Jan+01,+1990&enddate=Apr+12,+2018&output=csv'

Warning: x = 'AAPL', get = 'financials': Error in thead[x]:thead[x + 1]: NA/NaN argument

Quitting from lines 138-142 (TQ01-core-functions-in-tidyquant.Rmd) 
Error: processing vignette 'TQ01-core-functions-in-tidyquant.Rmd' failed with diagnostics:
no applicable method for 'filter_' applied to an object of class "logical"
Execution halted