Why do I get Error 7 in LV 7.1 when the vi was OK in LV 6.1

Question

I upgraded from Labview 6.1 to Labview 7.1 Now the vi that ran with no problems in 6.1 genareates "Error 7" file not found messages. How do I fix that?

Answer 1

There is file activity if Open Config Data.vi is being called.  The error is just due to not being able to find the configuration/.ini file.  Root cause could be a few things: the INI file was deleted/not moved/invalid path/whatever.  And the "create file if necessary" input to your use of Open Config Data.vi must be set to False for whatever reason.
Side note:
There were a couple changes to the Config VI's between v6 and v7.
If you were relying on using the default FALSE in Close Config Data.vi in LV6.1, you have to change your code.
From LV7 Upgrade Notes:
<snip>
• The configuration file path input of the Open Config Data VI is a required input. You must specify the configuration file path even if you open a reference to a configuration data object.
• The default of the write configuration file? input of the Close Config Data VI is TRUE. In LabVIEW 6.1 and earlier, the default is FALSE.
<snip>
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Fading out. " ... J. Arthur Rank on gong."
Attachments:
OpenConfigData_v7Help.jpg ‏19 KB