In readr, where combine using parameter col_names = TRUE and col_character as below code3, it's failed and the error message as attached image. Anyone can help
statsvn
global-filter
etherpad
elementary-functions
xhtml2pdf
c++builder-xe5
mediaplayback
powerapps
cssom
cfhttpparam
xacml
gdbm
bignumber.js
javafx
fedora-28
hover
uistepper
ts-mockito
ios-darkmode
form-processing
file-access
heap-corruption
constructor-reference
seleniumbase
android-resolution
scoring
android-gradle-3.1.0
camera-api
compilationmode
object-lifetime