Why Plone 6 volto site sometime error like this in mobile?

  • Volto 18.23.0
  • Plone 6.1.2
  • plone.restapi 9.15.1
  • CMF 3.7
  • Zope 5.13
  • Python 3.12.3 (main, Jun 18 2025, 17:59:45) [GCC 13.3.0]
  • PIL 11.2.1 (Pillow)

Is this error consistently whown on a mobilde device like handy, and not in a desktop browser? Or sporadically?

Do you use https in the internal_api_path?

cookieplone based project setup?

  1. sporadically in mobile browser
  2. I believe not, how can I find out?
  3. yes

I don't see this error on Volto sites on mobile. Is there a public URL where this error occurs?

Just now first time see in desktop browser, what make the plone show this error?