Hi @buddychesnut,
I hope you are well today and thank you for your question.
If you have made changes in the theme by using theme options and not editing any of its files then you will not lose it after uninstalling and reinstalling the theme.
After accessing your site please reinstall the theme by using the modified theme posted in the following topic to resolve the above mentioned issue.
https://colorlibsupport.com/t/error-500-when-install/
Best Regards,
Movin