'Argument 1 passed to Symfony\Component\VarDumper\Server\Connection::__construct() ... called in DumpServerServiceProvider.php on line 49 [duplicate]

Actual Error Message is

Argument 1 passed to Symfony\Component\VarDumper\Server\Connection::__const
  ruct() must be of the type string, null given, called in C:\xampp\htdocs\pa
  fg.com.bd\vendor\beyondcode\laravel-dump-server\src\DumpServerServiceProvid
  er.php on line 49

I setup my Existing Laravel Project in New PC (Machine). But, After complete all of the process i'm unable to run the project because of the mention error above.

phplaravel


Solution 1:[1]

From innocenzi on GitHub:

the issue comes from the fact that the configuration was cached without the debug-server config.

Basically, the file bootstrap/cache/config.php doesn't contain the debug-server key. If you delete this file, you will most likely clear the error as well.

Solution:

Delete the file yourProject/bootstrap/cache/config.php

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Ryan M

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