How To Fix “Invalid parameter given. A valid $fileId[tmp_name] is expected” In Magento 2.4

Surely you have encountered many errors during using Magento 2. It makes you feel very uncomfortable. Share how to fix it helps you to fix it quickly and easily. In this post, I will guide you How To Fix “Invalid parameter given. A valid $fileId[tmp_name] is expected” In Magento 2.4.

I got this error in version 2.4 while loading images while configuring the system. The Uploader class in Magento’s core file had some issues that prevented it from being able to upload photos. I tried it a few times and then figured out how to fix it.

To fix it quite simply, you just need to edit the Uploader class in the Magento source file. Here, I will guide you step by step.

Steps To Fix “Invalid parameter given. A valid $fileId[tmp_name] is expected” In Magento 2.4

Step 1: Go to vendor\magento\framework\file in Magento 2 Root folder.

Here I am using localhost, for the server you still use this path to the File directory.

Step 2: Open Uploader.php.

Please note that this is the source directory of Magento 2, to edit it you must grant administrator privileges.

Step 3: Scroll down to line 579.

Replace

$this->validateFileId($fileId);

to

//$this->validateFileId($fileId);

Step 4: Save change.

You can read more useful articles like How To Change PDF Invoice Logo In Magento 2.

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