Hello,
Thank you for contacting us about issues applying a theme in seopanel today. We are happy to help, but will need some additional information to help us test.
What version of Seo Panel are you using?
What theme are you applying? Have you verified it is compatible with your version of Seo Panel?
Often, a blank page is suppressing error messages. Have you checked your error logs?
If you have any further questions, feel free to post them below.
Thank you,
John-Paul B