Redux-persist: Store does not have a valid reducer. Error after migrating to v5

[xempie]

Hi there,
After migration and making the changes in my code I receive this error:

Store does not have a valid reducer. Make sure the argument passed to combineReducers is an object whose values are reducers.

Here's my store code:

import { createStore , applyMiddleware , compose} from 'redux';
import thunk from 'redux-thunk';
import reducers from './../reducers';
import {persistStore, persistCombineReducers} from "redux-persist";
import storage from 'redux-persist/lib/storage';

const middleware = [ thunk ];
const config = {
      key: 'primary',
      storage, 
}

let reducer = persistCombineReducers(config, reducers);

const store = createStore(
    reducer,
    undefined,
    compose(
        applyMiddleware(...middleware)
    )
);

persistStore(
    store,
    config,
    null,
    () => {store.getState()}
)

export default store;

and here's my reducer:

import { combineReducers } from 'redux';
import user from './userReducer';

const rehydrated = (state = false , action) => {
    switch (action.type) {
        case "persist/REHYDRATE" :
            return true;
            break;
        default:
            return state;
    }
}

export default combineReducers({
    rehydrated,
    user
});

Any idea?

[xempie]

I found the issue. the reason was I used combined reducers twice. Once in reducers and once in persistCombineReducers in store.

so need to change this in reucers:

export default combineReducers({
    rehydrated,
    user
});

to

export default {
    rehydrated,
    user
};