CEL data not showing in reports

Hi, we have an issue with one of our FPBX systems
This is fully updated and runs perfectly ok, but there is no data showing in the Call Event Logging reports.

If I go onto the MariaDB backend, I can see that the CEL table is populating correctly.
Everytime a call is processed, new data is saved into that table.
However that data is not showing on the CEL reports webpage

I have done a database check and repair table from the commandline, but it doesnt find any problems with the data

Any ideas??

FPBX 16.0.40.11
Framework 16.0.40.11
Core 16.0.68.30
Call Event Logging 16.0.20