Cloud OCR Problems calling APIs

Google Cloud OCR - GoogleCloudErrorRunningEngine
Microsoft Cloud OCR - MicrosoftCloudErrorRunEngine

Message occurred.

What causes it?

please answer about my question.

Thank you.

Google Cloud OCR and Microsoft Cloud OCR are paid features. you need to purchase key from them.
If you have pass key then give a try.

thank you for your answer.
I tried calling to a free quota.

But the above message occurred.
Please have a sample code.

What language you have chosen for OCR engine.
also please check for scale.