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1. Error message "error:0308010C:digital envelope routines::unsupported" :

Type this command export NODE_OPTIONS=--openssl-legacy-provider in your command prompt to solve this problem.

2. Uninstall the current version of Angular CLI :

Type this command sudo npm un -g @angular/cli in your command prompt to uninsatll it.

3. Install the latest version of Angular CLI :

Type this command sudo npm i -g @angular/cli@latest in your command prompt to insatll it globaly in your computer. After that type ng version to check the current version installed in your computer.

4. Upgrade the angular schematics to latest version:

Type the following command sudo ng update @angular-eslint/[email protected] --force to upgrade the angular schematics to latest version.

5. Upgrate to the reccent version of angular material:

Type these two command to update angular material sudo ng update @angular/cdk@13 --force & sudo ng update @angular/material@13 --force.

Note: You can also all in one command with the second command.

7. Set properties in tsconfig.json

• Add the propertie useDefineForClassFields with value false.
• Update the propertie target to es2022.

8. Update the package transloco to version 4 with the following command: sudo npm i @ngneat/transloco@4 --force.

9. Add options to allowedCommonJsDependencies array in angular.json:

In order to remove warning, please add "flat","marked","luxon","moment" in allowedCommonJsDependencies option.