I figured (most of it) out: I had this in my .gemrc:
install: --rdoc --ri --document=yri
update: --rdoc --ri --document=yri
removing the --document=yri parts, also got rid of the exception.
I figured (most of it) out: I had this in my .gemrc:
install: --rdoc --ri --document=yri
update: --rdoc --ri --document=yri
removing the --document=yri parts, also got rid of the exception.