Run time error 91 - Object variable or With block variable not set- updating XML from Excel -

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i getting run time error 91 - object variable or block variable not set when trying update , xml using excel vbscript

    sub updatexml()     call fnupdatexmlbytags     end sub      function fnupdatexmlbytags()      set xmldoc = createobject("microsoft.xmldom")     xmldoc.load "f:\xml\xml1.xml"     omsgid = "15544216089s01f15544100002396000002"     set nmsgid = xmldoc.selectsinglenode("//acctswtchbtch/grphdr/msgid")     nmsgid.text = omsgid     strresult = xmldoc.save("f:\xml\xml1.xml")      end function

a function must return something. example:

function fileexists(filepath string, filename string) boolean  dim currentdir string currentdir = curdir ' used set curdir  if filepath <> "" chdir filepath  if dir(filename) <> ""     fileexists = true else     fileexists = false end if chdir currentdir  end function

i suggest changing function sub.


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