Master not present in UI

Gorse version - latest(0.4.0)

Describe the bug

{"level":"warn","ts":1649756079.9660664,"caller":"master/rest.go:495","msg":"failed to get user neighbor index recall","error":"global_meta/user_neighbor_index_recall: object not found","errorVerbose":"/go/gorse/storage/cache/database.go:98: object not found\n/go/gorse/storage/cache/redis.go:58: global_meta/user_neighbor_index_recall"}
{"level":"warn","ts":1649756079.9662116,"caller":"master/rest.go:503","msg":"failed to get item neighbor index recall","error":"global_meta/item_neighbor_index_recall: object not found","errorVerbose":"/go/gorse/storage/cache/database.go:98: object not found\n/go/gorse/storage/cache/redis.go:58: global_meta/item_neighbor_index_recall"}
{"level":"warn","ts":1649756079.9663732,"caller":"master/rest.go:511","msg":"failed to get matching index recall","error":"global_meta/matching_index_recall: object not found","errorVerbose":"/go/gorse/storage/cache/database.go:98: object not found\n/go/gorse/storage/cache/redis.go:58: global_meta/matching_index_recall"}

To Reproduce
docker-compose up -d

Master is not present in the cluster section of UI .Please have a check on it and kindly revert back.