Unable to start the lab

[aegiacometti]

Hi, I'm a first time user and I'm getting this error, thus not being able to continue.

(venv) C:\Users\aegia\Documents\aci-learning-labs-code-samples>python apic_fabric_setup\baseline.py
Baselining APIC Simulator for Learning Labs
Setting up Fabric Nodes
Traceback (most recent call last):
File "apic_fabric_setup\baseline.py", line 11, in
import startup_script
File "C:\Users\aegia\Documents\aci-learning-labs-code-samples\apic_fabric_setup\startup_script.py", line 43, in
md.commit(c)
File "C:\Users\aegia\Documents\aci-learning-labs-code-samples\venv\lib\site-packages\cobra\mit\access.py", line 66, in commit
return self._accessImpl.post(configObject)
File "C:\Users\aegia\Documents\aci-learning-labs-code-samples\venv\lib\site-packages\cobra\internal\rest\accessimpl.py", line 182, in post
return self.__parseError(rsp, CommitError, rsp.status_code)
File "C:\Users\aegia\Documents\aci-learning-labs-code-samples\venv\lib\site-packages\cobra\internal\rest\accessimpl.py", line 240, in __parseError
parseXMLError(rsp.text, errorClass, httpCode)
File "C:\Users\aegia\Documents\aci-learning-labs-code-samples\venv\lib\site-packages\cobra\mit\xmlcodec.py", line 20, in parseXMLError
raise errorClass(int(errorCode), errorStr, httpCode)
cobra.mit.request.CommitError: Duplicate Node-Id 201