1. Check the picture data: ensure that the incoming picture data is valid and complete. You can try to retrieve or reload the picture data and make sure that the incoming data is in the correct format.

2. Check the SDK configuration: make sure that the SDK configuration is correct and the necessary parameters are provided. Check the configuration file or code to ensure that there are no missing or wrong configuration items.

3. Check the image format: confirm that the SDK supports the incoming image format. Some SDK may only support certain image formats, such as JPEG, PNG, etc.