Kevin Lyman

He gets an 'A' for effort.

But the promoter points to uncertainty after the upcoming events.

He revealed the news in a tweet early this morning.

The group blasted through a career-spanning set 34-minute set ended with a rousing 'Bro Hymn,' that featured a full-stage of performers.

'No offense, wasn’t blaming you.'

This follows a nu-metal band getting kicked off the tour.

Kevin Lyman made his name with the success of the Vans Warped Tour, but the U.S. festival mastermind has added to his cache with the evolution of the hard rock and metal Rockstar Energy Mayhem Festival in recent years.