try to use database

zimbraSingle.php

@@ -424,6 +424,9 @@ function zimbraSingle_CreateAccount($params) {
         );
         return 'Error: could save username & password in database';
     }
+    if(zimbraSingleUpdateQuota($params) != 'success') {
+        return 'Error: could not update addonQuota in database';
+    };
     return 'success';
 }
 
@@ -638,6 +641,9 @@ function zimbraSingle_ChangePackage($params) {
         );
         return 'Error: could not update quota in database';
     }
+    if(zimbraSingleUpdateQuota($params) != 'success') {
+        return 'Error: could not update addonQuota in database';
+    };
     return 'success';
 }
 
@@ -791,7 +797,7 @@ function zimbraSingle_ServiceSingleSignOn($params) {
     );
 }
 
-function zimbraSingle_AdminServicesTabFieldsSave($params) {
+function zimbraSingleUpdateQuota($params) {
     if(isset($params['configoptions']['addonQuota'])) {
         $addonQuota = $params['configoptions']['addonQuota'] ? $params['configoptions']['addonQuota'] : 0 ;
         $newAddQuota = $params['configoptions']['newAddQuota'] ? $params['configoptions']['newAddQuota'] : 0;