Material Number not updating in journal entry

[SAPSupport]

In the Upload General Journal Entries template Material Number field is added however it does not appear in the posted journal entry

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[SAPSupport · Accepted solution]

Technical name for material to be updated in field MATNR, in the template is MATNR_EXT. 

Please refer to below KBA:

3689717 - Material number not updating in posted journal entry - SAP S/4Hana Public Cloud - SAP for ...