fix some errors on front

back/mails/saveMessage.ts

@@ -76,7 +76,8 @@ export default class RegisterMessageInApp {
 
     async registerMembers(roomId: number) {
         getAllMembers(this.messageId).then((res) => {
-            res[0].id.split(",").foreach(async (memberId: number) => {
+            const data = res[0].id.split(",");
+            data.forEach(async (memberId: number) => {
                 await registerMember(roomId, memberId);
             });
         });