Searching within EBSCO ebooks - Internet Explorer problem

We've been alerted to a technical problem when trying to search within the full text of ebooks in EBSCOhost. If using Internet Explorer, you may get this error message:

A System Problem has Occurred. 
We're sorry, your request could not be processed due an internal server error.
To continue with your session, please click here. 

There is no problem when using Firefox or Chrome, and the problem does not affect Dawsonera ebooks, which make up most of our collection. We have notified EBSCO of the problem. 
If this affects you, try switching to a different browser.