> Hi,
> 
> We've been trying to run Fetest in the attempt of plotting the sine wave data on
> the history page on the web server. However each time we've tried running a new
> plot we have come across the error of 'no data' from the variables. In the
> status page we are clearly obtaining data from the frontend and it is updating
> the variable as expected in SLOW.
> 
> When setting up MIDAS we managed to produce a history plot from Fetest but are
> unable to do so any longer. We did have a go at modifying the Fetest code but
> created a backup before doing so and are now running the original backup.
> 
> What could be causing the Fetest data not to be showing in the history plot?

Is the logger running? (this application is handling the history data).
If yes: Did you change the variable names? If yes: restart the logger.