Error after Admin URL Change

[ishaqdahot]

Hello,

I have changed admin URL using below command after that I got below error and admin url is showing 404 error.

php bin/magento setup:config:set --backend-frontname="admin123"

Here is the error after URL change on frontend

TypeError: explode() expects parameter 2 to be string, null given in /var/www/oredium.com/public_html/vendor/magento/framework/App/Router/Base.php:182 Stack trace: #0 /var/www/oredium.com/public_html/vendor/magento/framework/App/Router/Base.php(182): explode() #1 /var/www/oredium.com/public_html/vendor/magento/framework/App/Router/Base.php(165): Magento\Framework\App\Router\Base->parseRequest() #2 /var/www/oredium.com/public_html/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\Router\Base->match() #3 /var/www/oredium.com/public_html/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Backend\App\Router\Interceptor->___callParent() #4 /var/www/oredium.com/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Backend\App\Router\Interceptor->Magento\Framework\Interception\{closure}() #5 /var/www/oredium.com/public_html/generated/code/Magento/Backend/App/Router/Interceptor.php(26): Magento\Backend\App\Router\Interceptor->___callPlugins() #6 /var/www/oredium.com/public_html/vendor/magento/framework/App/FrontController.php(115): Magento\Backend\App\Router\Interceptor->match() #7 /var/www/oredium.com/public_html/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\FrontController->dispatch() #8 /var/www/oredium.com/public_html/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent() #9 /var/www/oredium.com/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() #10 /var/www/oredium.com/public_html/generated/code/Magento/Framework/App/FrontController/Interceptor.php(26): Magento\Framework\App\FrontController\Interceptor->___callPlugins() #11 /var/www/oredium.com/public_html/vendor/magento/framework/App/Http.php(116): Magento\Framework\App\FrontController\Interceptor->dispatch() #12 /var/www/oredium.com/public_html/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http->launch() #13 /var/www/oredium.com/public_html/index.php(39): Magento\Framework\App\Bootstrap->run() #14 {main}

[johnwebdes40a5]

Hello @ishaqdahot 

The error message you encountered indicates that there is an issue with the Admin URL after it has been changed in Magento 2. Here are a few steps you can take to resolve the error:

• Clear the cache:
  • Run the following command from the Magento root directory to clear the cache:
    
    • php bin/magento cache:clean
• Update the base URLs:
  • In your Magento database, locate the core_config_data table. Look for the rows with the paths web/unsecure/base_url and web/secure/base_url. Update the values of these rows to reflect the new Admin URL. Make sure the URLs are complete, including the protocol (e.g., http:// or https://).
• Flush Redis or Memcached (if applicable):
  • If you're using Redis or Memcached for caching, you may need to flush the cache specific to these services. Refer to the Redis or Memcached documentation for the appropriate commands.
• Update the cookie domain (if necessary):
  • In the core_config_data table, look for the row with the path web/cookie/cookie_domain. If the value is set, make sure it matches the new Admin URL. If it doesn't match, update it accordingly or set it to an empty value.
• Verify file permissions:
  • Ensure that the file and folder permissions are correctly set for your Magento installation. You can refer to the Magento documentation for the recommended file permissions.
• Restart the web server:
  • Restart the web server to ensure all changes and configurations are properly applied.

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