OJS : PlumX report Empty

Good day for us.

I have a question about PlumX support email me, why sushiLite report empties like this screenshot. He wondering something not work in my OJS. I use OJS Anyone know what should I do?

Thank you


Check to see if your Usage Statistics process is converting your logs into metrics.

The following thread talks about 2.4.x, but the process is similar in 3.x: