Uncaught (in promise): TypeError: Cannot read properties of undefined (rearsion') TypeError: Cannot read properties of undefined (reading version) - angular-promise

Who can help me this problem.
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Store: TypeError: Cannot read properties of undefined (reading 'ids') at selectIds

What is causing the issue in the title. I am basically getting a typeError when I try to retrieve data in a feature store module.
The issue was that I configurated wrongly the reducers in the StoreModule.forRoot inside the app.module.ts (I had multiple reducers so it should be declared in an object)

ng build throwing [error] TypeError: Cannot read property 'toLowerCase' of undefined

I have this error TypeError: Cannot read property 'toLowerCase' of undefined
styles.2f06433e92600f91a077.css - Error: styles.2f06433e92600f91a077.css from Css Minimizer
TypeError: Cannot read property 'toLowerCase' of undefined
I'm using Angular 12 version.
This means that the object on which you are calling the method .toLowerCase is of type undefined. This can either be by design and you can just add a check before calling it:
if (str) str.toLowerCase()
Or if you didn't expect to have an undefined variable in that part of the code there is a mistake somewhere else, in that case I can't really help you.

TypeError: Cannot read property 'only' of undefined

I am trying to use React Testing Library for my React project but it errors when trying to mount a component that imports CreatCanBountTo with the error:
TypeError: Cannot read property 'only' of undefined
> 1 | const { createCanBoundTo } = require('#casl/react');
I assume that it's due to casl not being initialised before the test runs.
Thank you in advanced for your help.

Firebase polymer two way binding : Uncaught TypeError: Cannot read property '__firebaseKey__' of undefined

I have a collection of objects in a firebase db
<template>
<firebase-collection
location="https://incandescent-inferno-8405.firebaseio.com/objects/-JubQT-WrBaVlSeuKJhO"
data="{{object}}"
</firebase-collection>
<paper-input value="{{object.attribute::input}}"></paper-input>
</template>
When I start typing in the input field I get
Uncaught TypeError: Cannot read property '__firebaseKey__' of undefined
What's wrong?
It looks like you should be using a firebase-document element instead of firebase-collection.

Push command creating error: Cannot read property 'replace' of undefined

I've seen variations of this question in the context of everything from AngularJS to KendoGrid to BackboneJS but all the answers are related to those frameworks and none of them address this directly at a straight-up Firebase level. Since I'm not using any of those, the answers are not helpful to me.
I create the following ref:
var loginRef = new Firebase('https://f30s.firebaseio.com/Pablo/pages/login');
I try the following push:
loginRef.child('clientEvents').push( { Create_account : true } );
The push writes to Firebase in the proper directory structure, but console produces the error:
Uncaught TypeError: Cannot read property 'replace' of undefined
What am I doing wrong?

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