Check for time system and error if absent

index.html

@@ -46,7 +46,7 @@
             openmct.install(openmct.plugins.AutoflowView({
                 type: "telemetry.panel"
             }));
-            openmct.install(openmct.plugins.Conductor({
+            /*openmct.install(openmct.plugins.Conductor({
                 menuOptions: [
                     {
                         name: "Fixed",
@@ -66,7 +66,7 @@
                         }
                     }
                 ]
-            }));
+            }));*/
             openmct.install(openmct.plugins.SummaryWidget());
             openmct.time.clock('local', {start: -THIRTY_MINUTES, end: 0});
             openmct.time.timeSystem('utc');

src/MCT.js

@@ -85,7 +85,7 @@ define([
          * @memberof module:openmct.MCT#
          * @name conductor
          */
-        this.time = new api.TimeAPI();
+        this.time = new api.TimeAPI(this);
 
         /**
          * An interface for interacting with the composition of domain objects.

src/api/time/TimeAPI.js

@@ -41,7 +41,7 @@ define(['EventEmitter'], function (EventEmitter) {
      * @interface
      * @memberof module:openmct
      */
-    function TimeAPI() {
+    function TimeAPI(openmct) {
         EventEmitter.call(this);
 
         //The Time System
@@ -61,6 +61,12 @@ define(['EventEmitter'], function (EventEmitter) {
 
         this.tick = this.tick.bind(this);
 
+        openmct.on('start', () => {
+            if (this.getAllTimeSystems().length === 0) {
+                throw 'Open MCT must be configured with at least one time system';
+            }
+        })
+
     }
 
     TimeAPI.prototype = Object.create(EventEmitter.prototype);