when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${navId} [in template "templates/one/original/092/52.html" at line 630, column 104] ----]&compId=portalResnav_main-15662002723654437">