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
iphone-sdk-3.0
resolution
google-api-java-client
install-referrer
dlib
vmware
hybrid
transformation-matrix
venmo
chessboard.js
propertychanged
chrome-ios
boost-geometry
s-expression
heterogeneous
netiq
dcraw
ms-yarp
aws-iam-authenticator
fst
jquery-upload-file-plugin
agile-project-management
bosh
vue-tables-2
primeicons
lowpass-filter
symmetric
solaris
database-trigger
strlen