A similar issue was reported before but closed with the message that the latest version has a fix for 4.5
Sending donations, specifically the url below, triggers the error message
The CSRF protection key did not match. This may indicate a plugin or theme is out of date. Please contact technical support for more information.
Error code: 2S119/1
Invision Community v4.5.4
Donations 3.5.0 (100200)