Uncaught ReferenceError: _ is not defined

[xuye]

when i import angular-underscore.js file and inject to angular module, it will have a error like this: Uncaught ReferenceError: _ is not defined in angular-underscore.js line 157. have any suggestion?

[floydwch]

It seems you not import the underscore or lodash first.

[raynoppe]

I get the same error my code with import sequins

var MetronicApp = angular.module("MetronicApp", [ "angular-underscore", "ui.router", "ui.bootstrap", "oc.lazyLoad",
"ngSanitize", "angular-websql", "checklist-model", "ui.sortable" ]);

js file loaded successfully show fine in network.