Backup error for blank name field

crabfit-frontend/public/i18n/en/event.json

@@ -23,6 +23,7 @@
     "timezone": "Your time zone",
 
     "errors": {
+      "name_required": "Your name is needed to store your availability.",
       "password_incorrect": "Password is incorrect. Check your name is spelled right.",
       "unknown": "Failed to login. Please try again."
     },

crabfit-frontend/src/pages/Event/Event.tsx

@@ -226,8 +226,14 @@ const Event = (props) => {
 	}, [timezone]);
 
 	const onSubmit = async data => {
+    if (!data.name || data.name.length === 0) {
+      setFocus('name');
+      return setError(t('event:form.errors.name_required'));
+    }
+
 		setIsLoginLoading(true);
 		setError(null);
+
 		try {
 			const response = await api.post(`/event/${id}/people/${data.name}`, {
 				person: {