Hi there!

Sorry for your experience.

Did you check and fulfill all the technical requirements from here?

https://www.joomshaper.com/documentation/joomla-templates/pitech/technical-requirements

The following section is important: https://www.joomshaper.com/documentation/joomla-templates/pitech/installation-problems-troubleshooting

And this conversation may help either: https://www.joomshaper.com/forum/question/10430

Best Regards