AdSense problem

I’m currently using your theme on my website https://www.turismoeducado.com. I’ve tried adding a text/HTML widget on the side bar with AdSense HTML code but it shows it blank. I’ve checked the source code of the website once it loads and the AdSense code is there.

I have no idea why this is happening. I’ve tried using a fixed-size ad (when I change the size, the empty widget alse changes size) and responsive size with the same results.

Any ideas?

Thanks!