Icingaweb 2 --> Grafana not working after update --> cannot fetch graph with curl

[picoroma (PiCo)]

@bberg

/var/log/grafana/grafana.log

I have also ISSUE with renfering GRAFANA Graph into ICINGA.
My problem is described here:

Grafana Graph issue: Not all graphs are displayed

Did you update your grafana recently and use Flux queries for your graphs?Then you might run into this issue:

Still have not found a solution