Thank you. I'll give that a go.
2020-06-29 22:21:05: "Profile directory: /Users/bentran/.config/joplin-desktop"
2020-06-29 22:21:05: "KeychainService: checking if keychain supported"
2020-06-29 22:21:05: "KeychainService: tried to set and get password. Result was:", "mytest"
2020-06-29 22:21:05: "Client ID: 9c623c8068f646f29b922827023b0d0d"
2020-06-29 22:21:05: "First start: detected locale as en_GB"
2020-06-29 22:21:05: "Trying to load 0 master keys..."
2020-06-29 22:21:05: "Loaded master keys: 0"
2020-06-29 22:21:05: "ResourceFetcher: Auto-add resources: Mode: always"
2020-06-29 22:21:05: "ResourceFetcher: Auto-added resources: 0"
2020-06-29 22:21:05: "Running migration: 20"
2020-06-29 22:21:05: "Running migration: 27"
2020-06-29 22:21:05: "Trying to load 0 master keys..."
2020-06-29 22:21:05: "Loaded master keys: 0"
2020-06-29 22:21:05: "Scheduling sync operation...", "10000"
2020-06-29 22:21:05: "Trying to load 0 master keys..."
2020-06-29 22:21:05: "Loaded master keys: 0"
2020-06-29 22:21:05: "Scheduling sync operation...", "10000"
2020-06-29 22:21:05: "Trying to load 0 master keys..."
2020-06-29 22:21:05: "Loaded master keys: 0"
2020-06-29 22:21:05: "Scheduling sync operation...", "10000"
2020-06-29 22:21:05: "Scheduling sync operation...", "10000"
2020-06-29 22:21:05: "RevisionService::runInBackground: Starting background service with revision collection interval 600000"
2020-06-29 22:21:06: "Scheduling sync operation...", "30000"
2020-06-29 22:21:06: "Scheduling sync operation...", "30000"
2020-06-29 22:21:06: "Scheduling sync operation...", "30000"
2020-06-29 22:21:06: "Scheduling sync operation...", "30000"
2020-06-29 22:21:06: "DecryptionWorker: cannot start because no master key is currently loaded."