Message type: E = Error
Message class:  FINS_FI_MIG - SAP S/4HANA Finance: Data Migration 
Message number: 156
Message text: CDS views are not yet generated
The generation of CDS Views is a necessary step in the migration to SAP
S/4HANA Finance and needs to be executed before new documents can be
posted.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
To be able to post new documents in the system, you can choose one of
the following possibilities:
Generate the CDS Views with transaction
<DS:TRAN.FINS_MIG_REGENERATE>Regenerate CDS Views and Field Mapping</>
or
Execute the customizing activity under
<DS:SIMG.FGL_MIG_REGENERATE_CDS>Regenerate CDS Views and Field Mapping
</>.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FINS_FI_MIG156 indicates that the Core Data Services (CDS) views required for a specific financial migration process have not yet been generated. This error typically arises during the migration of financial data, particularly when using the SAP S/4HANA system.
Cause: CDS Views Not Generated: The primary cause of this error is that the necessary CDS views for financial migration have not been generated in the system. This can happen if the migration process has not been properly initialized or if there were issues during the setup. Missing Configuration: There may be missing configuration settings or prerequisites that need to be fulfilled before the CDS views can be generated. System Issues: There could be underlying system issues, such as transport problems or inconsistencies in the system.
Solution: To resolve the error FINS_FI_MIG156, you can follow these steps: Generate CDS Views: Use the transaction code SE11 (Data Dictionary) or SE80 (Object Navigator) to check if the required
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