I get this error " Please check the output frame for errors and refresh the page to retry changes." when i want to add a free theme, can you help me please, I use Magento 184.108.40.206?
Please add more context to the post to be able to describe the scenario.
1- When is that error showing up?
2- What is the page that contains the error?
3- Could you please re-upload the screenshot?