LabVIEW Web Development Discussions

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Starting Web Service Error -67501

If you run into this error while starting your web service, first take a look here:

 

https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z000000g12vSAA&l=en-US#:~:text=This%20error%....

 

If that solution does not work, or does not apply to your situation, then it could be that LV is offended by one or more terminal connections on a VI connector pane.  I've found that this can occur if you rename the controls or indicators that are already connected to terminals.  Try un-connecting and then re-connecting the terminals.

 

This is with LV2019SP1.  Not sure if it applies to other versions.

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Also try removing whitespaces and certainly special characters from the names of controls connected to terminals.  LV seems quite finicky here.

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