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Error rendering macro 'jira' : Unable to locate Jira server for this macro. It may be due to Application Link configuration.
task we've changed default user registration mode to "by e-mail" (from "by username") and "Username" field became non-required. However we've forgot to update "Interface Presets" (located in /admin/system_presets/" folder) and in "simple" interface preset the "Username" field is still set as required by default.