Help for that error is at https://www.vfphelp.com/vfp9/html/67b93d18-f569-4129-bf5c-bc84ef3f5b02.htm
Maybe:
- you have a syntax error or typo in that line
- your code at that point expects a certain child node to exist, but it does not

What is the source for line 86?

Hi Al,

Thanks for your reply, i attach my xml file, could you please take a look !

Best regards,
LS