How To Fix /IWNGW/CM_HUB155 - Exception during OAuth Token fetch. Please check configuration

/IWNGW/CM_HUB155 - Overview

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 155

• Message text: Exception during OAuth Token fetch. Please check configuration

Self-Explanatory Message

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWNGW/CM_HUB155 - Exception during OAuth Token fetch. Please check configuration ?

  The SAP error message /IWNGW/CM_HUB155 Exception during OAuth Token fetch. Please check configuration typically indicates an issue with the OAuth configuration in your SAP system, particularly when trying to fetch an OAuth token from an external identity provider or service. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Incorrect OAuth Configuration: The OAuth client configuration (client ID, client secret, redirect URI, etc.) may be incorrect or incomplete.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the OAuth provider.
  Expired Credentials: The client credentials (client ID or secret) may have expired or been revoked.
  Scope Issues: The requested scopes may not be valid or may not be granted to the client.
  Authorization Server Issues: The OAuth provider may be down or experiencing issues.
  SSL/TLS Issues: There may be issues with SSL/TLS certificates if the OAuth provider uses HTTPS.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the OAuth client configuration in the SAP system.