3715481 - App ID F0859: Warning and Information messages not displayed in Create Supplier Invoice App with FI Substitution - SAP S/4HANA

• Validation message handling from FI substitution (GGB0/User Exit) in the Create Supplier Invoice Fiori application is not functioning as expected.
• When selecting the "Check" option, FI substitution messages of type "Warning (W)" or "Error (E)" are not displayed in the Create Supplier Invoice App.
• When selecting the "Simulate" or "Post" option, FI substitution messages of type "Warning (W)" or "Error (E)" are displayed as expected.
• FI substitution messages of type "Information (I)" are not displayed in the Create Supplier Invoice App when selecting any option: "Check", "Simulate", or "Post".
• Validation logic works as expected in MIRO (SAP GUI), where Warning (W) and Information (I) messages are displayed and allow the user to proceed.  

• Materials Management (MM)
• SAP enhancement package for SAP ERP, version for SAP HANA
• SAP S/4HANA (all versions)

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