Hi @y.takashi,
Thank you so much for reaching out to us!
Please respond to the following questions in order to help us understand where the problem is coming from:
Does the issue persist on other mobile devices as well?
Could you please use the Incognito page on your browsers to test it again?
You can also use the demo page for this plugin on your phone and choose the sorting mode. Is the issue present also on the demo page?
If the issue persists, could you add our support@zeroqode.com account to the list of your app collaborators? It will help us to test out the plugin within your environment and find the possible root cause of the issue you have. Please, provide the edit right so we will be able to create a separate test page for this use case (to not interfere with your current application functionalities).
Since Zeroqode is on an Agency plan, it does not matter which Bubble plan your application has. So just ignore the red warning. Go to your Settings → Collaboration.
Cheers