Claymore doesn't work on worktips. Try SRBMiner or XMR-STAK 2.4.3
Cast XMR might work for miners too, not only for Worktips but also for other Cryptonight-algo-forked coins.
Cast XMR is a meme specially for the dev fee it has. XMR stak and SRB are far superior but to each their own.