3087509 - Why is there a discrepancy between the data in the "Display Customer Summary - China" app and the "Manage Customer Line Items" app?

In the "Display Customer Summary - China" app, there's a link to the "Manage Supplier Line Items" app. However, some field values are inconsistent between the two apps. For example, the values for "Current Debit in LC" and "Current Credit in LC" are not the same.

SAP S/4HANA Cloud Public Edition.

Display Customer Summary - China, F1993, Manage Customer Line Items, F0711, Current Debit in LC, Current Credit in LC , KBA , FI-LOC-FI-CN , China , Problem