update

src/components/EditStaff/StaffInfo.tsx

@@ -417,7 +417,7 @@ const StaffInfo: React.FC<Props> = ({ combos }) => {
                   }}
                   slotProps={{
                     textField: {
-                      required: true,
+                      // required: true,
                       error:
                         joinDate === "Invalid Date" || Boolean(errors.joinDate),
                       // value: errors.joinDate?.message,
@@ -466,7 +466,7 @@ const StaffInfo: React.FC<Props> = ({ combos }) => {
                   }}
                   slotProps={{
                     textField: {
-                      error: departDate
+                      error: joinDate && departDate
                         ? new Date(joinDate) > new Date(departDate)
                         : false,
                     },