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
transitivity
ethernet-phy
usernotifications
medium.com
linode
mysql-select-db
prediction
bing-webmaster-tools
unity5
pointer-to-member-functions
iis
wal
kendo-upload
tidb-pd
android-spinner
multiple-matches
platform-independent
trusted
openquery
root-access
aws-billing
code-regions
chrome-ux-report
xamarin-test-cloud
ropes
nginx-cache
popupmenu
git-config
meteor-helper
testthat