I am trying to use some custom symbols in PI Vision. However, when ever I add files in C:\Program Files\PIPC\PIVision\Scripts\app\editor\symbols\ext I get an error message in the web browser :
In Chrome console I have this messge : Failed to load resource: the server responded with a status of 500 (Internal Server Error)
I have tried a few custom symbols and all of them returned the same error. In this case I am trying the embedded web page available here.