fix error message

public/views/import.html

@@ -21,10 +21,10 @@
 
   <div ng-show="type == '12' ">
 
-    <div class="row">
+    <div class="row" ng-click="importErr = error = null">
       <div class="large-12 columns">
         <div class="box-notification m20b" ng-show="importErr">
-          <div ng-show="importErr" class="text-warning">
+          <div class="text-warning">
             <div class="m10 text-bold" translate>Could not access the wallet at the server. Please check:</div>
             <ul class="size-12">
               <li translate>The password of the recovery phrase (if set)</li>

src/js/controllers/import.js

@@ -34,6 +34,8 @@ angular.module('copayApp.controllers').controller('importController',
     };
 
     $scope.processWalletInfo = function(code) {
+      if (!code) return;
+
       $scope.dataFromQR = null;
       $scope.importErr = false;
       $scope.error = null;