panic: Error reading CORE_PBFT plugin config: Unsupported Config Type ""

goroutine 1 [running]:
panic(0xd7cfa0, 0xc82016bdb0)
	/usr/lib/go-1.6/src/runtime/panic.go:481 +0x3e6
github.com/hyperledger/fabric/consensus/pbft.loadConfig(0xc820111d40)
	/usr/lib/go-1.6/src/github.com/hyperledger/fabric/consensus/pbft/pbft.go:86 +0x7dd
github.com/hyperledger/fabric/consensus/pbft.init.4()
	/usr/lib/go-1.6/src/github.com/hyperledger/fabric/consensus/pbft/pbft.go:39 +0x18
github.com/hyperledger/fabric/consensus/pbft.init()
	/usr/lib/go-1.6/src/github.com/hyperledger/fabric/consensus/pbft/viewchange.go:668 +0xb2
github.com/hyperledger/fabric/consensus/controller.init()
	/usr/lib/go-1.6/src/github.com/hyperledger/fabric/consensus/controller/controller.go:48 +0x54
github.com/hyperledger/fabric/consensus/helper.init()
	/usr/lib/go-1.6/src/github.com/hyperledger/fabric/consensus/helper/helper.go:388 +0x58
github.com/hyperledger/fabric/peer/node.init()
	/usr/lib/go-1.6/src/github.com/hyperledger/fabric/peer/node/stop.go:117 +0x83
main.init()
	/usr/lib/go-1.6/src/github.com/hyperledger/fabric/peer/main.go:158 +0x8d