The Colombia iteration of the massive Lollapalooza festival franchise has cancelled all of its 2016 dates.

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Consequence Of Sound is reporting that the festival was forced to cancel after headliner Rihanna pulled out over fears of the Zika virus. A statement from festival organizers stated that they were not able to find a replacement in time.

The festival, which was slated for Sept. 17-18, would have featured performances from Lana Del Rey, Matt & Kim, City And Colour, Cage The Elephant and more.

Lollapalooza is issuing refunds to all ticket-holders.