Tip:Ifthefailingexpressionisknowntobelegallyrefertosomethingthat's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (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: ${appde.getKeyPSAppDEField().getCodeN... [in template "TEMPLCODE_zh_CN" at line 349, column 14]