This error often means that your application pool has gone down or is throttled.
Each Webhosting plan is isolated in its own application pool, so when an application pool ‘crashes’ it is because something has happened inside the pool, i.e. due to some code that has been executed incorrectly, SQL connections that have not been closed, etc. Another cause can also be that your Webhosting plan has run out of space or resources.
This can mean that your site is outgrowing its current hosting plan with us, and you can therefore upgrade to a larger plan with more resources to alleviate the problem.
The problem can often be solved by restarting the application pool (stop/start) via IIS Manager or through our Control Panel.
Article from the support category: ASP & ASP.NET
