Hello. How are you?
I'm sorry to hear you're having difficulties with the plugin. To review your particular case, we'll do the following:
Contact me via Direct Contact on my Support page, and attach a demo and a detailed explanation of the problem you're experiencing in your request, including everything you need and want to accomplish. This way, I can replicate your issue and work better to understand the inconvenience you're experiencing. Remember to attach everything necessary for me to replicate the problem. You can upload the demo to a file hosting service such as Google Drive, MediaFire, etc.
Thank you very much!
Support Page:
https://undermax.online/undermax/support.html