This message for Mifos is no longer supported, so the issue was closed. Siebrand 17:54, 4 November 2013 (UTC)
What can {0} and {1} be?
{0} {1} information has been changed by another user. Please try again.
I don't believe this message is used anywhere in the code. I've removed it and filed a JIRA task to review patch:
http://mifosforge.jira.com/browse/MIFOS-5101