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
cumulus
aop
git-authentication
pygears
django-formtools
win32con
doubly-linked-list
dbmail
top-n
nucleo
context-free
compiler-construction
dot-source
sound-synthesis
pebble
tablayout
data-modeling
language-history
webresponse
hash-function
software-quality
zeit-pkg
server-side-validation
xcode11.3
jsonobjectrequest
spinalhdl
gulp-replace
plot3d
swizzling
xmla