angular-notifier | AngularJS simple notifications service | Reactive Programming library

I recently upgraded to angular 11 and for some reason my translations stopped working in production mode. After the upgrade when I open my app in debug, all of my translations are empty but I do have some errors. Everything works fine in dev but in production I get a couple errors which are:

I am making web application with Angular8 and Firebase(db, functions, hosting) with Angularfire.

In non-production mode all works as expected. But when i try to build (or even serve) the app project in production mode the app throws following error in browser's console:

I have question about angular and i'm very new to it. After imported the angular-notifier library i successfully got it to work. But when the notification is displayed, somehow the styles aren't working and it's in plain text. I imported the needed styles in the styles.scss Basically the notification should pop up when i click a button. Due to styles not working the message will drop on the bottom under the footer.

I hope u can help me fix this problem :).

My styles.scss:

my app is fine with the normal serve but gets this error when doing npm run build:ssr && npm run serve:ssr this is the angular-errors.log content:

[error] TypeError: Cannot assign to read only property '_showWarnings' of object '#'

...

I'm trying to use mat-table in an Angular 5 project but I've got this error. I imported the MatTableModule and everything necessary to it but still getting this error:

ng: 'mat-table' is not a known element: 1. If 'mat-table' is an Angular component, then verify that it is part of this module. 2. If 'mat-table' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.

This is my admin.module.ts which is the parent module of my component:

I am trying to show a notification after a button click by using angular-notifier(version : 4.1.1) .

I referred from this site to do this.

Even after button click the notification is not showing.

Could you please help what i am missing.

Following are files I used :

In app.module.ts:

I have go through with following questions but didn't found any solution.

• Angular 4 directive error: Can't resolve all parameters for directive
• Can't resolve all parameters for custom directive

I have made a custom validation directive to validate unique permalink. this code working fine but when i try to create a build for production then it gives me following error:-

ERROR in : Can't resolve all parameters for UniquePermalinkValidatorDirective in E:/Manish/Projects/ampleAdmin/src/app/shared/permalink-validation.directive.ts: ([object Object], ?).

permalink-validation.directive.ts

I use angular-notifier package in my angular 7 project. I added its selector in app.component.html before router-outlet. I add its config in app.module.ts in imports. I can not chane some style in it. for example add an icon, or change \n to next line, etc