fix

api/controllers/chats.ts

@@ -30,7 +30,7 @@ export async function kickChatMember(req, res){
 		chatId, contactId,
 	}})
 	
-	const contact = await models.Concat.findOne({where:{id:contactId}})
+	const contact = await models.Contact.findOne({where:{id:contactId}})
 	const members = {
 		[contact.publicKey]: {key:contact.contactKey, alias:contact.alias}
 	}

dist/api/controllers/chats.js

@@ -38,7 +38,7 @@ function kickChatMember(req, res) {
         yield models_1.models.ChatMember.destroy({ where: {
                 chatId, contactId,
             } });
-        const contact = yield models_1.models.Concat.findOne({ where: { id: contactId } });
+        const contact = yield models_1.models.Contact.findOne({ where: { id: contactId } });
         const members = {
             [contact.publicKey]: { key: contact.contactKey, alias: contact.alias }
         };