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Friday night's Xcel Energy Center concert by rapper J. Cole has been postponed one night to Saturday. The culprit? "Transportation issues at the Canadian border," according to press release from the North Carolinan hip-hop star's representatives.

Cole also delayed a concert in Vancouver from Tuesday to Wednesday and bumped the days of two more shows next week in Detroit and Chicago because of the, um, "issues."

All tickets from Friday's Xcel show will be honored on Saturday, and refunds will also be given to fans who can't make the backup date. More tickets are also on sale for Saturday night via Ticketmaster and the arena box office.

The rapper sent out an apology to Vancouver fans via Twitter on Thursday, saying, "Sorry 4 any inconvenience, hope you can still make it."