SubVI does not open (error 3 could not open front panel)

For the VI I am working in (trail version of Labview 2011), I have created a subVI. At one time I opened this subVI to adjust the connection terminals -which I have done before- and after saving the file and closing it, the subVI remained unadjusted. In fact, I am not able to open the subVI anymore. And when I want to open the file as a VI (e.g. executing the VI in windows), I receive 'load error code 3: could not open front panel.'
I also cannot preform any tasks such as saving the main program for an older version, because this subVI is present in the program.
Nevertheless, the VI still works as a subVI in the mainprogram I've written -in the way it worked before I adjusted the connection terminals.
Is there any way to resolve my problem, without rewriting the whole subVI? The subVI concerning is attached in this post.
Thank in advance,
ps. after closing Labview, it sends an internal warning report.
Solved!
Go to Solution.
Attachments:
ampweightcenter.vi ‏25 KB

Hello Stag,
My name is David and I am an Applications Engineer at National Instruments UK.
To clarify the problem, when you receive this error are you trying to run the VI as an executable, standalone file in Windows? If this is the case then I think that I know what the problem could be. When using the Application Builder the Front Panels of SubVI's are removed to reduce file size. It is possible to include them so that they may open and the steps to doing so are listed in the attached link:
http://digital.ni.com/public.nsf/allkb/8F68715444302CAB86256DDD0071C140?OpenDocument
This link explains why you are receiving this error and how to overcome it.
I hope that this helps you and do not hesitate to contact me if you require more assistance.
Regards
David B
Applications Engineer
National Instruments UK

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SubVI does not open (error 3 could not open front panel)

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