The adverse weather conditions over the festive period has left the floodlights requiring repair work.
Robins manager Steve Cotterill said: "I'm really disappointed that the game has been called off.
"We're in good form and, on the back of the recent successes at Ashton Gate, everyone was looking forward to the match.
"The postponement is a major disappointment for everyone at the club, including our supporters who were planning on making the trip."
No new date for the fixture has yet been arranged.