OCR server issue

Our team is right now facing issues with OCR service. How can we resolve it?

The OCR service failed to process the document.

Details:
Image dimension: 151x108
Size: 2217 bytes
Hash: a1dcdbf6a2d105129919a0bf0f0f3546
Request execution time: 35875 ms
Server: https://ocr.api.dev.smartbear.com
Status code: 500 (Internal Server Error.)
Error message: The service is currently unavailable.