3417052 - IBP: Planning Objects are not automatically created via Tight Coupling function

You are using Tight Coupling for Planning Objects feature, and expect planning objects can be automatically created during master data upload.
However, corresponding planning objects are not created on the planning level.
If you check the application logs associated with the master data operations (either from IBP Excel add-in or Web UI app includes but not limited to Manage Master Data app, Version Copy Job, Real Time Integration, etc), you will observe some warning message like below:
Can't find unique value for attribute ....

• SAP Integrated Business Planning (SCM-IBP)

Tight coupling, automatic creation, planning objects, unique,  , KBA , SCM-IBP-DS-MD , Data Services for Master Data , SCM-IBP-XLS-SRV , Backend Services , SCM-IBP-XLS-MD , Master Data Management , SCM-IBP-DS , Data Services , SCM-IBP-CNF-MD , Master Data Types App , SCM-IBP-INT-TS , Time-Series-Based Integration , Problem