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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(137.6, 68%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
i keep getting this error when i call StartAnalyzeDocumentAsync plaese help me fix it
An Azure service that turns documents into usable data. Previously known as Azure Form Recognizer.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 4%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVM%3C/text%3E%3C/svg%3E)
Hello @salmin mezrani , if you are working with V3.1 API here is the sample documentation reference code: https://github.com/Azure/azure-sdk-for-net/blob/Azure.AI.FormRecognizer_4.1.0/sdk/formrecognizer/Azure.AI.FormRecognizer/samples/Sample_AnalyzeWithPrebuiltModel.md#use-a-prebuilt-model-to-analyze-a-document-from-a-file-stream
Answer accepted by question author
The code with the error may have been based on an example of the beta SDK. StartAnalyzeDocumentAsync seems to have been replaced by AnalyzeDocumentAsync. Try using AnalyzeDocumentAsync instead.