Cloud OCR Problems calling APIs

Help
1

Google Cloud OCR - GoogleCloudErrorRunningEngine
Microsoft Cloud OCR - MicrosoftCloudErrorRunEngine

Message occurred.

What causes it?

please answer about my question.

Thank you.

2

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.

3

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

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

4

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