It sounds like you're encountering an issue with Oracle Business Network service provider not appearing in the list of values (LOV) when trying to create a B2B trading partner. Here are a few steps you can take to troubleshoot and resolve this issue:

1. Check Connectivity: Ensure that your system has proper connectivity to the Oracle Business Network service provider. Sometimes network issues can prevent the provider from appearing in the list.
2. Provider Configuration: Double-check the configuration of the Oracle Business Network service provider within your system. Ensure that it's properly set up and integrated with your B2B trading partner system.
3. Service Provider Registration: Make sure that the Oracle Business Network service provider is properly registered and activated within your B2B trading partner system. If it's not registered or activated, it may not appear in the list of values.
4. Compatibility: Verify that the version of Oracle Business Network you're using is compatible with your B2B trading partner system. Incompatibility issues could prevent it from appearing in the LOV.

If this doesn't resolve your issue then it is advised to raise an SR with Oracle Support

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