diff --git a/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 581fe36aa7f..d5e8c5cbdd1 100644
--- a/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -10197,6 +10197,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";The_operand_of_a_delete_operator_must_be_optional_2790" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[The operand of a 'delete' operator must be optional.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA["delete" 运算符的操作数必须是可选的。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access_2777" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[The operand of an increment or decrement operator may not be an optional property access.]]></Val>