Message type: E = Error
Message class:  FUND_FAREA_DRF - Message class for Functional Area replication 
Message number: 065
Message text: Oauth Settings are invalid
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message FUND_FAREA_DRF065 indicating that "OAuth Settings are invalid" typically arises in the context of integrating SAP systems with external applications or services that require OAuth authentication. This error suggests that the OAuth configuration in your SAP system is either incomplete, incorrect, or not properly set up. Causes: Incorrect OAuth Client Configuration: The client ID, client secret, or redirect URI may be incorrectly configured in the SAP system. Expired or Revoked Tokens: The OAuth tokens being used may have expired or been revoked. Missing Scopes: The required scopes for the OAuth token may not be properly defined or granted. Invalid Authorization Server URL: The URL for the authorization server may be incorrect or unreachable. Network Issues: There may be network connectivity issues preventing the SAP system from reaching the OAuth provider. Configuration Changes: Recent changes in the OAuth provider's settings (like client secret rotation) may not have been updated in the SAP system. Solutions: Verify OAuth Configuration: Check
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FUND_FAREA_DRF064 AIF ended with error in update message.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FUND_FAREA_DRF063 Response for farea &1 was not updated
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FV000 $ $ $ $
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FV001 No statements/lists exist
What causes this issue?  All statements / lists saved during the present transaction call were already updated.System Response  The system issues an e...
Click on this link to search all SAP messages.