Error read &save measurment data in gcc

[Vega77]

When i tried to read & save measurement data it get this error message:

Invalid data in measurment storage!
Process is aborted!

Se attached pictures.
I recently added to virtual pH probes.

[Vega77]

I uncked and checked again appropriate sensors in settings window.

Then i just got this strange curves, see attachments.

I now tried to "clear all" , will have to wait and see if it helps

[Vega77]

clear all did the trick so far.........