error

[Sat Nov 11 2017 21:40:31 GMT+0530 (IST)] ERROR TypeError: validate is not a function
    at Function.mapStateToProps [as mapToProps] (/home/mastcoder/metabrainz/bookbrainz-site/lib/client/entity-editor/submission-section/submission-section.js:140:14)
    at mapToPropsProxy (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-redux/lib/connect/wrapMapToProps.js:54:46)
    at Function.detectFactoryAndVerify (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-redux/lib/connect/wrapMapToProps.js:63:19)
    at mapToPropsProxy (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-redux/lib/connect/wrapMapToProps.js:54:46)
    at handleFirstCall (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-redux/lib/connect/selectorFactory.js:37:18)
    at pureFinalPropsSelector (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-redux/lib/connect/selectorFactory.js:85:81)
    at Object.runComponentSelector [as run] (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-redux/lib/components/connectAdvanced.js:43:25)
    at Connect.initSelector (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-redux/lib/components/connectAdvanced.js:195:23)
    at new Connect (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-redux/lib/components/connectAdvanced.js:136:15)
    at /home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-dom/lib/ReactCompositeComponent.js:292:18
    at measureLifeCyclePerf (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-dom/lib/ReactCompositeComponent.js:73:12)
    at ReactCompositeComponentWrapper._constructComponentWithoutOwner (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-dom/lib/ReactCompositeComponent.js:291:16)
    at ReactCompositeComponentWrapper._constructComponent (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-dom/lib/ReactCompositeComponent.js:282:19)
    at ReactCompositeComponentWrapper.mountComponent (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-dom/lib/ReactCompositeComponent.js:185:21)
    at Object.mountComponent (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-dom/lib/ReactReconciler.js:43:35)
    at ReactDOMComponent.mountChildren (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/react-dom/lib/ReactMultiChild.js:234:44)
From previous event:
    at router.get (/home/mastcoder/metabrainz/bookbrainz-site/lib/server/routes/entity/edition.js:200:41)
    at Layer.handle [as handle_request] (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/mastcoder/metabrainz/bookbrainz-site/node_modules/express/lib/router/route.js:137:13)
    at Child.model.fetchAll.then.results (/home/mastcoder/metabrainz/bookbrainz-site/lib/server/helpers/middleware.js:57:4)
GET /edition/create 500 752.525 ms - 7774
GET /stylesheets/style.css 304 0.871 ms - -
GET /stylesheets/react-virtualized.css 304 1.250 ms - -
GET /js/bundle.js 304 0.821 ms - -
GET /stylesheets/react-virtualized-select.css 304 0.995 ms - -
GET /images/BookBrainz_logo_mini.svg 304 0.267 ms - -
GET /images/BrowserStack.png 304 0.282 ms - -
GET /images/icons/favicon-16x16.png 304 0.458 ms - -