Focus viewpixel.gif 500 (Internal Server Error)

I am using version 2.6.1 and my Focus is showing the following error:



GET https://mymauticinstall.com/focus/1/viewpixel.gif 500 (Internal Server Error)



Please, How can I solve it?

I am using version 2.6.1 and my Focus is showing the following error:

GET https://mymauticinstall.com/focus/1/viewpixel.gif 500 (Internal Server Error)

Please, How can I solve it?