I got this error while training a custom classification model , i have the blob contributer access and storage blob data contributer access . I put the content in the blob container and folder. My model automatically fetch the data that is stored in blob.

Hi Ranjith,

I have seen this with other errors, it seems the format of the data or some data is not correct please check here for exact match of the data formats - https://learn.microsoft.com/en-us/azure/ai-services/document-intelligence/how-to-guides/build-a-custom-classifier?view=doc-intel-4.0.0#custom-classification-model-input-requirements

Hope this helps.

JS

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