Oauth API Datastore Error

We are using Apigee’s OAuth API for Tonik API’s to generate access token,

Following errors have occurred. Attached error log from Apigee logs, Kindly help to resolve this issue.

"response_status": 500,

"fault_code": "Datastore Error",

0 1 129
1 REPLY 1

Not applicable

can you provide more information or Oauth API and process you are following?