silverstripe/silverstripe-framework — pull request #2523 by wilr (2013-10-10 22:27:55+00:00)
Title: Change default message to be credential agnostic.

Member.unique_identifier_field allows you to set the login option to other fields from email. In this case we're using store ID reference number and code. This updates the error message to be agnostic to the login fields.

I considered using sprintf + nested translatable unique identifier fields but figured follow the simple is best