2775038 - Amount can't uploaded correctly in fiori app F2548

When uploading an excel template in fiori app F2548 ("upload general journal entries"), it ends up with error "Enter a valid value (line "XX", column "X", value "XX.XXXXXXXX")".

SAP S/4HANA Cloud

1. Start fiori app "Upload General Journal Entries".
2. Select an excel template file and upload it.
3. Error shows up saying "Enter a valid value (line "XX", column "X", value "XX.XXXXXXXX")".

The amount fields in the template excel file are not in plain text format.

Transformat the amount fields in the excel into plain text format and upload it again.
For the detail conversion steps, please see the attachment in this KBA.

F2548, "Upload General Journal Entries", Format, Amount. , KBA , FI-FIO-GL , Fiori UI for General Ledger Accounting , Problem