Ignition 8.0.16 - vision client message every 5 seconds: POPUP,ERROR,trial expired (203)

Ignition 8.0.16. All the modules have a valid licences.
In the vision client, I have log every 5 seconds:

[2020.10.21 22:15:30:960] POPUP,ERROR,trial expired (203)

[2020.10.21 22:15:30:960] ERROR,trial expired (203)