Try a different browser or clear your cache: Right click the page, do Inspect Element, a new window will open inside the window. Then click on the cogwheel, which you will find
on the top right side of the new window. Then enable 'Disable HTTP cache'. Then refresh the page.
Hey, thanks for the report, are you using firefox? There seems to be a security issue that does not allow the save. You can play on Chrome until we fix this.
Try a different browser or clear your cache: Right click the page, do Inspect Element, a new window will open inside the window. Then click on the cogwheel, which you will find on the top right side of the new window. Then enable 'Disable HTTP cache'. Then refresh the page.