Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.


Carol Davis
Carol Davis
2,581 Points

error when creating file error SecurityError

Tried to create file Responsive.css and received error:

An error occurred when trying to create the file responsive.css (error SecurityError)

Got the same error here. I think they are facing problems on their servers.

3 Answers


We are aware of this issue and our team is working on getting that resolved. We apologize for any inconvenience and appreciate your patience!

Best, Kara


Thank you for all your patience! This should now be resolved. Please give it another shot :)

Best, Kara

Forking the workspace seemed 'maybe just coincidentally' to fix the problem.