Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 102
Message text: Attribute set &1 is assigned to metadata schema &2
If you have assigned an attribute set to a metadata schema, you cannot
delete or change the attribute set.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Delete the metadata schema under <LS>Define Schemas</> before you delete
or change the attribute set under <LS>Define Attribute Sets</>.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FKK_ID_XX_ODN102 indicates that there is an issue related to the assignment of an attribute set to a metadata schema in the SAP system, particularly in the context of contract accounts or billing.
Cause: This error typically arises when: An attribute set (which defines certain characteristics or properties) is not correctly assigned to the specified metadata schema. There may be inconsistencies or misconfigurations in the configuration settings related to the attribute sets and metadata schemas. The attribute set may not exist, or it may not be properly defined in the system.
Solution: To resolve this error, you can follow these steps: Check Attribute Set Configuration: Go to the configuration settings in SAP and verify that the attribute set mentioned in the error message is correctly defined and exists in the system. Ensure that the attribute set is assigned to the correct metadata schema. Verify Metadata Schema: Check the metadata schema referenced in the error message to ensure it is
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