Hi,
For a few days, I see that no metrics are registered and are not displayed in the articles of my OJS 3.1.2.4 platform. And when I try to run php tools/runScheduledTasks.php plugins/generic/usageStats/scheduledTasks.xml, I get the following error:
Invalid address: (From): root@localhost
And the graph of the metrics looks as follows:

I am getting the same error. @diegomejia07 how did you solve it?
Hi @diegomejia07, @bdhostit , I have the same problem
How have they solved it?
Can you share the solution or help me?
please
hola tengo el mismo problema
Cómo lo han solucionado?,
me pueden compartir la solución o apoyarme?,
por favor
I got the same problem for our OMP. The OJS installation that runs alongside on the same apache has no problems generating metrics. See also Unable to activate usageStats plugin in OMP 3.3.0