FortiAnalyzer empty report when selecting device

One of our reports are returning empty.

Already checked the empty reports guide on KB and haven't helped:

- FortiAnalyzer 7.4.6

- Fortigate 7.4.6 (target device that returns empty report).

- Dataset live data test OK (selecting the target device).

- Chart live data test OK (selecting the target device).

- Creating a report containing the above chart and selecting the target device returns empty.

- Workaround: if we move the name of the target device into to the dataset and run again with "all devices" option, it works.

Any ideias what could be wrong?