The decision was made by tournament organisers PRO14 Rugby following consultation with club stakeholders, the Welsh Rugby Union, and officials at Benetton Rugby.
Match tickets for the game will still be valid for the rearranged match.
PRO14 Rugby and host broadcaster Premier Sports will identify a date to accommodate the rearranged fixture.
Discussions between all parties are underway and PRO14 Rugby intends to confirm the rescheduled date as soon as possible.
