3310959 - Posting fails with to custom field validation

Error Value &1 of field &2 is not valid raised on posting for custom field using example app Post General Journal Entry (App ID F0718)/Upload General Journal Entries  (App ID F2548), external APIs like the SOAP Operation JournalEntryBulkCreateRequest 

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

SAP S/4HANA Cloud 

SAP S/4HANA 

CFD_APPL_RUNTIME 004 Value &1 of field &2 is not valid. Post General Journal Entries, Upload General Journal Entries  , KBA , FI-FIO-GL-TRA-2CL , Transaction Apps (Public Cloud) , FI-FIO-GL-TRA , Transaction Apps , AC-INT-2CL , Accounting Interface (Public Cloud) , AC-INT , Accounting Interface , Problem