Error 1127 occurred when open multiple instances of the same LabVIEW top level VI?

I try to open multiple instances of the same LabVIEW top level VI, After search some messages in the forum,I know it should use vi template, But error 1127 still occurred when i used template(In my program, Click menu file->new). The information about error 1127 is "Cannot instantiate template VI because it is already in memory".
Here is my code. can any one help me? Thanks.
Attachments:
test.zip ‏13 KB

Hi,
You are trying to obtain a path from the VI location but the VI has no location because its an instance of the VIT and therefore the path is <not a path>.
Regards
Ray Farmer
Regards
Ray Farmer

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Attachments:
popupVI.zip ‏37 KB

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Error 1127 occurred when open multiple instances of the same LabVIEW top level VI?

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