I have a simply dbf with 3 field

concep c 4
descr c 60
tipo n 1

why I cannot converte it on excel from this command directly ?

oApp():oGrid:ToExcel()

Error description: Error BASE/2022 Error de argumento: ALLTRIM
Args:
[ 1] = N 3

Stack Calls

Called from: => ALLTRIM(0)
Called from: .\source\classes\XBROWSE.PRG => TXBRWCOLUMN:CLPTEXT(11110)
Called from: .\source\classes\XBROWSE.PRG => TXBRWIN7:CLPROW(6196)
Called from: .\source\classes\XBROWSE.PRG => TXBRWIN7:TOEXCEL(6741)
Called from: source\PLaboratori.prg => (b)LABORATORI(200)