I can't get a button to work, instead I get this error: "Accessing StateObject's object without being installed on a View. This will create a new instance each time." Help?

Hi Everyone,

I'm trying to get my SwiftUI project to work with Core Data, and to be refactored. I'm using property wrappers for its fetch request.

I keep getting this error in the log: "Accessing StateObject's object without being installed on a View. This will create a new instance each time."

As far as I know, it's something to do with having multiple @StateObject requests. Is this correct?

What am I doing wrong here?

I'll try and add my relevant code below. Any help here is greatly appreciated. Alternatively I can send you a link to my GH .

my refactoring\modelview file

import SwiftUI

class RefactorAccounts: ObservableObject {
    //Fetch request for pulling from persistent store.
    @Environment(\.managedObjectContext) var viewContext
    @FetchRequest(
        sortDescriptors: [NSSortDescriptor(keyPath: \AccountBackEnd.accountCompanyName, ascending: true)],
        animation: .default)
    
var accounts: FetchedResults<AccountBackEnd>

    //Takes object from @StateObject, presents as var
    @StateObject var accountBackEnd = AccountBackEnd()

    //Calls to Class for published objects
    @StateObject var publishedClasses = 
PublishedClassAccount()

    //Used for button/nav calls out
    @Environment(\.presentationMode) var presentationMode

    //Add account Function
    func addAccount() {

        withAnimation {
            //Adds to persistence store
            let newAccount = AccountBackEnd(context: viewContext)
            newAccount.accountCompanyName = publishedClasses.accountNameForCoreData
            PersistenceController.shared.save
            {
                error in
                if let error = error {
                    print(error.localizedDescription)
                    return
                }
                print("Successfully saved account.")
            }
           self.presentationMode.wrappedValue.dismiss()
            publishedClasses.accountNameForCoreData = ""
        }
    }
}

The file that displays clickable data

 //Refactoring
    @StateObject var refAccouunts = RefactorAccounts()
    //Used for button/nav calls out
    @Environment(\.presentationMode) var presentationMode
    var body: some View {
        VStack {
            HStack {
                Spacer()
                NavigationLink {
                    AddAccountView()
                } label: {
                    SubHeaderViewIcon(subheaderIcon: "plus.square", subheaderIconColor: Color("EditButtonBlue"))
                }
                .padding()
            }

            List {
                ForEach(refAccouunts.accounts, id: \.id) {account in

                    NavigationLink {
                        AccountDetailMain()
                    } label: {
                        Text(account.accountCompanyName ?? "")
                    }
                    .foregroundColor(.red)
                }
                .onDelete(perform: deleteAccounts)
            }
            .listStyle(PlainListStyle())
        }
        .navigationBarHidden(true)
    }

View that is used to add data, from sub views.

@ObservedObject var refAccouunts = RefactorAccounts()
    //Used for button/nav call out
    @Environment(\.presentationMode) var presentationMode
    var body: some View {

        ScrollView {
            VStack {
                Group {
                    MainAddHeaderView(mainTextField: "Account", iconField: "building")
                }
                Group{
                    AddAccountCompanyName()
                    ViewSpacer()
                    AddAccountAddress()
                    ViewSpacer()
                    AddAccountDetails()
                    ViewSpacer()
                    Button(action: refAccouunts.addAccount) {
                        LargeSaveButtonBlue(saveButtonLabel: "Save Changes")
                    }               
 }
                ViewSpacer()
              LargeDeleteButton(deleteButtonLabel: "Cancel Changes")
                ViewSpacer()
            }
        }
        .environmentObject(refAccouunts.publishedClasses)
        .navigationBarHidden(true)
    }

Specific sub-view

    //Refactoring
    @ObservedObject var refAccouunts = RefactorAccounts()

    //Used for button/nav call out
    @Environment(\.presentationMode) var presentationMode
    var body: some View {        
        VStack {
            HStack {
                SubHeaderViewText(subheaderTitle: "Account")            
                NavigationLink {
                    AddContactView()
                } label: {
                    SubHeaderViewIcon(subheaderIcon: "plus.square", subheaderIconColor: Color("EditButtonBlue"))
                }                
      }
            Spacer()
                .frame(height: 20)
            Group {
                VStack (alignment: .leading) {
                    Text("Account Name")
                        .frame(alignment: .leading)
                        .modifier(AddRangerHeaderStyle())
                        .font(.custom("SF Pro Display Light", fixedSize: 20))
                        .foregroundColor(Color("DarkerGrey"))
                    TextField("Account Name", text: refAccouunts.$publishedClasses.accountNameForCoreData)
                        .textFieldStyle(AddRangerTextFieldStyle())
                    HStack {

                        RangerTextField(labelText: "First Name", placeHolder: "")

                        RangerTextField(labelText: "Last Name", placeHolder: "")

                    }
                    RangerTextField(labelText: "Position", placeHolder: "")
                }
            }            
        }