diff --git a/hyperglass/configuration/models/messages.py b/hyperglass/configuration/models/messages.py
index 765712c..037e581 100644
--- a/hyperglass/configuration/models/messages.py
+++ b/hyperglass/configuration/models/messages.py
@@ -13,8 +13,6 @@ from hyperglass.configuration.models._utils import HyperglassModel
 class Messages(HyperglassModel):
     """Class model for params.messages"""
 
-    no_query_type: str = "A query type must be specified."
-    no_location: str = "A location must be selected."
     no_input: str = "{field} must be specified."
     acl_denied: str = "{target} is a member of {denied_network}, which is not allowed."
     acl_not_allowed: str = "{target} is not allowed."
diff --git a/hyperglass/static/src/js/errors.es6 b/hyperglass/static/src/js/errors.es6
index 270c7ed..f59617c 100644
--- a/hyperglass/static/src/js/errors.es6
+++ b/hyperglass/static/src/js/errors.es6
@@ -1,4 +1,5 @@
 import { frontEndAlert } from './components.es6';
+import jQuery from '../node_modules/jquery';
 
 class InputInvalid extends Error {
   constructor(validationMsg, invalidField, fieldContainer) {
diff --git a/hyperglass/static/src/js/hyperglass.es6 b/hyperglass/static/src/js/hyperglass.es6
index 1b5de99..95582f4 100644
--- a/hyperglass/static/src/js/hyperglass.es6
+++ b/hyperglass/static/src/js/hyperglass.es6
@@ -1,4 +1,5 @@
 // Module Imports
+import format from '../node_modules/string-format';
 import jQuery from '../node_modules/jquery';
 import ClipboardJS from '../node_modules/clipboard';
 
@@ -19,6 +20,9 @@ import { queryApp } from './query.es6';
 // JSON Config Import
 import hgConf from './frontend.json';
 
+// string-format config
+format.extend(String.prototype, {});
+
 const $ = jQuery;
 
 const lgForm = $('#lgForm');
@@ -104,9 +108,15 @@ $(document).ready(() => {
   }
 });
 
-queryType.on('changed.bs.select', () => {
-  const queryTypeId = queryType.val();
+queryType.on('changed.bs.select', (e) => {
+  const field = $(e.currentTarget);
+  const queryTypeId = field.val();
   const queryTypeBtn = $('.hg-info-btn');
+
+  if (field.next('button').hasClass('is-invalid')) {
+    field.next('button').removeClass('is-invalid');
+    field.nextAll('.invalid-feedback').remove();
+  }
   if ((queryTypeId === 'bgp_community') || (queryTypeId === 'bgp_aspath')) {
     queryTypeBtn.remove();
     queryTargetAppend.prepend(supportedBtn(queryTypeId));
@@ -116,11 +126,15 @@ queryType.on('changed.bs.select', () => {
 });
 
 queryLocation.on('changed.bs.select', (e, clickedIndex, isSelected, previousValue) => {
-  const net = $(e.currentTarget);
+  const field = $(e.currentTarget);
+  if (field.next('button').hasClass('is-invalid')) {
+    field.next('button').removeClass('is-invalid');
+    field.nextAll('.invalid-feedback').remove();
+  }
   vrfContainer.empty().removeClass('col');
-  const queryLocationIds = net.val();
+  const queryLocationIds = field.val();
   if (Array.isArray(queryLocationIds) && (queryLocationIds.length)) {
-    const queryLocationNet = net[0][clickedIndex].dataset.netname;
+    const queryLocationNet = field[0][clickedIndex].dataset.netname;
     const selectedVrfs = () => {
       const allVrfs = [];
       $.each(queryLocationIds, (i, loc) => {
@@ -189,9 +203,6 @@ lgForm.on('submit', (e) => {
   if (!Array.isArray(queryLocation)) {
     queryLocation = new Array(queryLocation);
   }
-  const queryTargetContainer = $('#query_target');
-  const queryTypeContainer = $('#query_type').next('.dropdown-toggle');
-  const queryLocationContainer = $('#location').next('.dropdown-toggle');
 
   try {
     /*
@@ -201,29 +212,33 @@ lgForm.on('submit', (e) => {
         3: place to put error message
     */
     if (!queryTarget) {
+      const msgVars = { field: hgConf.config.branding.text.query_target };
       throw new InputInvalid(
-        hgConf.config.messages.no_input,
-        queryTargetContainer,
-        queryTargetContainer.parent(),
+        hgConf.config.messages.no_input.format(msgVars),
+        $('#query_target'),
+        $('#query_target').parent(),
       );
     }
     if (!queryType) {
+      const msgVars = { field: hgConf.config.branding.text.query_type };
       throw new InputInvalid(
-        hgConf.config.messages.no_query_type,
-        queryTypeContainer,
-        queryTypeContainer.parent(),
+        hgConf.config.messages.no_input.format(msgVars),
+        $('#query_type').next('.dropdown-toggle'),
+        $('#query_type').next('.dropdown-toggle').parent(),
       );
     }
     if (queryLocation === undefined || queryLocation.length === 0) {
+      const msgVars = { field: hgConf.config.branding.text.query_location };
       throw new InputInvalid(
-        hgConf.config.messages.no_location,
-        queryLocationContainer,
-        queryLocationContainer.parent(),
+        hgConf.config.messages.no_input.format(msgVars),
+        $('#location').next('.dropdown-toggle'),
+        $('#location').next('.dropdown-toggle').parent(),
       );
     }
   } catch (err) {
-    err.field.addClass('is-invalid');
-    err.container.append(feedbackInvalid(err.message));
+    $(err.field).addClass('is-invalid');
+    $(err.container).find('.invalid-feedback').remove();
+    $(err.container).append(feedbackInvalid(err.message));
     submitIcon.empty().removeClass('hg-loading').html('<i class="remixicon-search-line"></i>');
     $(document).trigger('InvalidInputEvent', err.field);
     return false;
diff --git a/hyperglass/static/src/package.json b/hyperglass/static/src/package.json
index e4198b8..de4ea64 100644
--- a/hyperglass/static/src/package.json
+++ b/hyperglass/static/src/package.json
@@ -19,6 +19,7 @@
     "popper.js": "^1.15.0",
     "remixicon": "^1.3.1",
     "sass": "^1.22.10",
+    "string-format": "^2.0.0",
     "tinyify": "^2.5.1",
     "watchify": "^3.11.1"
   },
@@ -38,4 +39,4 @@
       "@babel/preset-react"
     ]
   }
-}
\ No newline at end of file
+}
diff --git a/hyperglass/static/src/yarn.lock b/hyperglass/static/src/yarn.lock
index 6f0f348..4cac38c 100644
--- a/hyperglass/static/src/yarn.lock
+++ b/hyperglass/static/src/yarn.lock
@@ -6512,6 +6512,11 @@ strict-uri-encode@^1.0.0:
   resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
   integrity sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=
 
+string-format@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/string-format/-/string-format-2.0.0.tgz#f2df2e7097440d3b65de31b6d40d54c96eaffb9b"
+  integrity sha512-bbEs3scLeYNXLecRRuk6uJxdXUSj6le/8rNPHChIJTn2V79aXVTR1EH2OH5zLKKoz0V02fOUKZZcw01pLUShZA==
+
 string-width@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"