Getting panic while scanning using cbindexperf : not support Int()

./opt/couchbase/bin/cbindexperf -cluster svc-i-node-005.e53xtlsybnufgkvl.sandbox.nonprod-project-avengers.com:18091 -auth='couchbase-cloud-admin:#H%8S2kh3Dp3v2JTpbNeWF!Q' -configfile tests/gsi/plasma/config/config_scanlatency_1000_indexes_plasma_1s_100c_random.json -resultfile result.json -statsfile /root/statsfile -cpuprofile cpuprofile.prof -memprofile memprofile.prof  -use_tools=true -cacert ./root.pem 

16:03:13 Log Level = error

16:03:13 panic: not support Int() on common.ConfigValue{Value:interface {}(nil), Help:"", DefaultVal:interface {}(nil), Immutable:false, Casesensitive:false}

16:03:13 

16:03:13 goroutine 1 [running]:

16:03:13 github.com/couchbase/indexing/secondary/common.ConfigValue.Int({{0x0, 0x0}, {0x0, 0x0}, {0x0, 0x0}, 0x0, 0x0})

16:03:13 	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/common/config.go:4544 +0xce

16:03:13 github.com/couchbase/indexing/secondary/queryport/client.(*ClientSettings).handleSettings(0xc000000180, 0x1?)

16:03:13 	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/queryport/client/settings.go:148 +0xbb

16:03:13 github.com/couchbase/indexing/secondary/queryport/client.NewClientSettings(0x0, 0xc0008aec90)

16:03:13 	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/queryport/client/settings.go:108 +0x205

16:03:13 github.com/couchbase/indexing/secondary/queryport/client.makeWithMetaProvider({0x7ffd2b1765c6, 0x4a}, 0xc0008aec90, 0x50?, 0xa8?)

16:03:13 	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/queryport/client/client.go:1803 +0x89

16:03:13 github.com/couchbase/indexing/secondary/queryport/client.NewGsiClientWithSettings({0x7ffd2b1765c6?, 0xc0008aec90?}, 0xf6ff13?, 0xc?, 0x0?)

16:03:13 	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/queryport/client/client.go:423 +0x25

16:03:13 github.com/couchbase/indexing/secondary/queryport/client.NewGsiClient({0x7ffd2b1765c6, 0x4a}, 0xd?)

16:03:13 	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/queryport/client/client.go:416 +0xf9

16:03:13 main.RunCommands({0x7ffd2b1765c6, 0x4a}, 0xc000164960, {0x10d1220?, 0xc0008bc2e8})

16:03:13 	goproj/src/github.com/couchbase/indexing/secondary/cmd/cbindexperf/executor.go:192 +0x3b0

16:03:13 main.main()

16:03:13 	goproj/src/github.com/couchbase/indexing/secondary/cmd/cbindexperf/main.go:121 +0x925

16:03:13 

16:03:13 ================================================================================