We apologize for the instability of composr.app and appreciate your patience. We are working on the statistics addon and trying to find an optimal way to store and render data. Unfortunately, we have yet to find a solution that can handle the traffic (and therefore, tens of millions of statistical records) of composr.app. We're working hard on one.
#1672 - Comcode block construction assistant for pages does not continue past "loading" when saving
Tonight I've been trying to work out what this could not reproduce or track anything down.
Does it happen for Comcode tags too? I don't have access on your site to add a block, but I tried adding a Comcode tag and it worked.
Are you able to open up the browser console (in Chrome it's View->Developer->JavaScript Console) and see any error coming up when you click to finish adding the block?
I've tried a fresh install of 9.0.13 and was still not able to reproduce. I believe there could have been a bug like this a long time ago, but I'm not sure. It could be caused by an overridden Javascript template masking a code fix. Or, some difference in server environment.
If you want to provide admin access to login to your site so I can test directly, please open a bug report support ticket.
Tonight I've been trying to work out what this could not reproduce or track anything down.
Does it happen for Comcode tags too? I don't have access on your site to add a block, but I tried adding a Comcode tag and it worked.
Are you able to open up the browser console (in Chrome it's View->Developer->JavaScript Console) and see any error coming up when you click to finish adding the block?
If you want to provide admin access to login to your site so I can test directly, please open a bug report support ticket.