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[Solved] PackageManifest.php line 122: Undefined index: name

Hello Guys, How are you all? Hope You all Are Fine. Today I am just trying to composer update command and I am facing following error PackageManifest.php line 122: Undefined index: name in laravel. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

How PackageManifest.php line 122: Undefined index: name Error Occurs ?

Today I am just trying to composer update command and I am facing following error.

PackageManifest.php line 122: Undefined index: name

How To Solve PackageManifest.php line 122: Undefined index: name Error ?

  1. How To Solve PackageManifest.php line 122: Undefined index: name Error ?

    To Solve PackageManifest.php line 122: Undefined index: name Error Just downgrading the composer version fixed the problem. In my case version 1.10.1 was the version to go with. Downgrade composer with this command composer self-update –1 second solution is To solve this issue follow this step: First Of All Delete compose.lock File Then Install dependencies. composer install

  2. PackageManifest.php line 122: Undefined index: name

    To Solve PackageManifest.php line 122: Undefined index: name Error Just downgrading the composer version fixed the problem. In my case version 1.10.1 was the version to go with. Downgrade composer with this command composer self-update –1 second solution is To solve this issue follow this step: First Of All Delete compose.lock File Then Install dependencies. composer install

Solution 1: Find this line and comment it

First of all Open PackageManifest.php which will be located at

<Your Project Root>/vendor/laravel/framework/src/Illuminate/Foundation/PackageManifest.php

Now find This Line and Comment it.

$packages = json_decode($this->files->get($path), true);

Add two new lines after the above commented line:

$installed = json_decode($this->files->get($path), true);
$packages = $installed['packages'] ?? $installed;

Solution 2: Downgrade Composer version

Just downgrading the composer version fixed the problem. In my case version 1.10.1 was the version to go with. Downgrade composer with this command

composer self-update --1

Solution 3: following command resolved this issue

following command resolved this issue:

composer update laravel/framework

Solution 4: Follow this Step

To solve this issue follow this step:

First Of All Delete compose.lock File

Then Install dependencies.

composer install

Summary

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you?

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