How to fix this issue? I have ssl but the error still exist

[JxstErg1]

Hi and welcome to the forum! This seems to be related to this:

Warning: "The certificate is not trusted in all web browsers"

If you have installed an SSL certificate on InfinityFree, you may want to use an SSL Checker tool to verify your SSL certificate was installed correctly. However, when doing so, you see an error like this: The certificate is not trusted in all web browsers. You may need to install an Intermediate/chain certificate to link it to a trusted root certificate. Learn more about this error. The fastest way to fix this problem is to contact your SSL provider. What does this warning mean for your sit…

and seeming you’re trying to access your website through an app, this as well:

Ensuring only web browsers can access your website

InfinityFree is a website hosting service. That means that the hosting accounts we provided are intended for hosting websites. Websites contain pages that are accessed through web browsers. InfinityFree is not intended to be used for file sharing, API hosting, database hosting or background tasks/tools. To help enforce this, free hosting enforces a security system that makes sure that anyone trying to access your website is using a normal web browser. This is done by checking whether the web br…