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
projection
apex-trigger
gamma-distribution
point-in-time-recovery
isomorphic-git
google-apps-script-addon
pivotaltracker
imgur
graphql-relay
prefix-tree
bytearrayoutputstream
tabulator
xaringan
quit
shinyscreenshot
dongle
rect
google-sheets-macros
resize-image
acts-as-commentable
inspect.exe
pythonplotter
glusterfs
rolify
uimenucontroller
qproperty
clearcase
nilearn
minidumpwritedump
telerik-combobox