more graceful failure for too many mentions.
more graceful failure for too many mentions.

Teino1978-Corp/Teino1978-Corp-documentcloud,dannguyen/documentcloud,moodpo/documentcloud,dannguyen/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,documentcloud/documentcloud,roberttdev/dactyl4,ivarvong/documentcloud,gunjanmodi/documentcloud,roberttdev/dactyl4,ivarvong/documentcloud,documentcloud/documentcloud,roberttdev/dactyl,documentcloud/documentcloud,moodpo/documentcloud,gunjanmodi/documentcloud,roberttdev/dactyl,ivarvong/documentcloud,gunjanmodi/documentcloud,roberttdev/dactyl4,moodpo/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,monofox/documentcloud,ivarvong/documentcloud,roberttdev/dactyl,dannguyen/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,monofox/documentcloud,dannguyen/documentcloud,moodpo/documentcloud,gunjanmodi/documentcloud,roberttdev/dactyl4,documentcloud/documentcloud,monofox/documentcloud,monofox/documentcloud