rasa evaluate markers all --config markers.yml extracted_markers.csv >> Erroring out

[pksvv]

(rasa-latest) vipul:rasa3x$ rasa evaluate markers all --config markers.yml extracted_markers.csv

_Traceback (most recent call last): File "/opt/anaconda3/envs/rasa-latest/bin/rasa", line 8, in sys.exit(main()) File "/opt/anaconda3/envs/rasa-latest/lib/python3.8/site-packages/rasa/main.py", line 121, in main cmdline_arguments.func(cmdline_arguments) File "/opt/anaconda3/envs/rasa-latest/lib/python3.8/site-packages/rasa/cli/evaluate.py", line 94, in _run_markers_cli _run_markers( File "/opt/anaconda3/envs/rasa-latest/lib/python3.8/site-packages/rasa/cli/evaluate.py", line 177, in _run_markers markers.evaluate_trackers( File "/opt/anaconda3/envs/rasa-latest/lib/python3.8/site-packages/rasa/core/evaluation/marker_base.py", line 619, in evaluate_trackers for tracker in trackers: File "/opt/anaconda3/envs/rasa-latest/lib/python3.8/site-packages/rasa/core/evaluation/marker_tracker_loader.py", line 103, in load yield self.tracker_store.retrieve_full_tracker(sender) File "/opt/anaconda3/envs/rasa-latest/lib/python3.8/site-packages/rasa/core/tracker_store.py", line 219, in retrieve_full_tracker return self.retrieve(conversation_id) File "/opt/anaconda3/envs/rasa-latest/lib/python3.8/site-packages/rasa/core/tracker_store.py", line 368, in retrieve stored = self.red.get(self.key_prefix + senderid) TypeError: can only concatenate str (not "bytes") to str

[pksvv]

https://rasa.com/docs/rasa/markers