Knowledge Base Bedrock impossible to delete

Question

I have tried several time to delete a knowledge base that I have created to try Bedrock Titan Embeddings G1 - Textv1.2
but is impossible, I have followed the istructions and there isn't any agent linked. Let me know any solutions. Thanks

Accepted Answer

Hello.

Can you delete it using the steps in the document below?  
Also, if there is any error message output when deleting it, could you please share it?  
https://docs.aws.amazon.com/bedrock/latest/userguide/knowledge-base-manage.html#kb-delete

Answer

I follewed the istructions linked and obtain this error:

Failed to delete knowledge base - EGRPMIM0XK
Unable to delete data from vector store for data source with ID 6IQE08CRIJ. Check your vector store configurations and permissions and retry your request. If the issue persists, consider updating the dataDeletionPolicy of the data source to RETAIN and retry your request.

I have tried to set dataDeletionPolicy to retain but is impossible due to this error

undefined Role AROAS2ATK5YE6J3XXVLO5 does not trust service bedrock.amazonaws.com

Knowledge Base Bedrock impossible to delete

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