Login Troube with Prestashop Adminwindow - prestashop-1.7

When I try to log-in into the prestashop admin area,
This error appears:
Does someone know why this error is coming? It came suddenly, there were no changes made.
Thank you in advance for your help! :)

This happens sometimes when connection to prestashop.com does not work correctly.
Simply delete all .xml files in your folder config\xml.

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I'm trying to put one magento application in FTP, but I'm having this issue:
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Nothing that I see on internet helped me, can someone help, please? Thanks since now.

Prestashop GET 403 (Forbidden) error for images

Please, can any body help me. I moved my site from one host server to another, and after it my site stops to showing images. I tried to change permissions numbers after it but nothing changed. Error:
Can Any Body Help Me please.
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I fix it by my self. Just delete deny from htaccess. :) Good Luck

Joomla - error 500 in administrator

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Service Temporarily Unavailable in Magento

Hi i have this staging website which i develop magento e commerce platform. I encountered an error which i dont know what happened. The error goes something like this
Service Temporarily Unavailable
The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
I keep on fixing this error but i found out that the error doesnt comes from the files. I tried to add an error php code to test if it executes, But nothing happened. I tried to search on google and it says that
Step1: Go to magento root directory.
Step 2: Find the maintenance.flag file and delete it.
I already follow this steps. But nothing happened. Can someone help me figured this thing out? Cause ive been stuck on this. Any help is muchly appreciated.
Just remove the file maintenance.flag from your Magento root directory and your website is back. OR It could be a server issue, timeout and so on.
First, put some test file to the docroot of the magento and see if it works, for example
<?php
phpinfo();
If it works, then check the apache/nginx logs, but i think the problem is with the web server / lb.

Mangage Customer edit display blank in magento admin panel

We have Added this code
"ini_set('display_errors',1);"
in index.php but there is no error.
Please tell me another solution. Is any problem in Database or server issue?
Try to enable developer mode from index.php
And check what is error display.
Please check the logs if you get some clue there.
Also, have you used any extension which is overriding the Customer management in admin. If yes, you can try to disable it once to identify the issue.
I hope you have ensured that its happening with the edit page and not for a particular customer.

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