UnauthorizedError: status_code: 401, body: {'message': 'invalid api token'}

[hshaikusa]

As part of RAG++, in Chapter01, i am getting the following error:

UnauthorizedError: status_code: 401, body: {'message': 'invalid api token'}

I re-ran chapter00 notebook and i don't see any issue getting response using cohere_client.chat(). Please check and advise.
https://wandb.ai/shaik-hashim-national-university/rag-course/weave/calls?filter=%7B%22opVersionRefs%22%3A%5B%22weave%3A%2F%2F%2Fshaik-hashim-national-university%2Frag-course%2Fop%2Fcohere.ClientV2.chat%3A*%22%5D%7D&peekPath=%2Fshaik-hashim-national-university%2Frag-course%2Fcalls%2F01925a92-86d4-7c21-ad71-82ccf644b2d1

[tballowe]

I am having the same issue:
cohere.errors.unauthorized_error.UnauthorizedError: status_code: 401, body: {'message': 'invalid api token'}