My Wordpress is showing a blank page in the editor, how can I fix this? - wordpress

I manage a Wordpress site for a client, after trying to resolve some updates I cannot seem to edit anything inside the editor anymore. Everything is blank (see image). The site itself is still up and working fine. Has anyone ever encountered this?

There are tons of reasons, why this could be happened. Like #jiali sent you a very helpful link, I would say to try and open the debugger: inside wp-config.php file search for define('WP_DEBUG', false); and change the value to true. Then, you propably would see what causing the error and where (either plugin or custom code, or maybe plugins conflict)

Okay so in this case the problem was (when I checked the error log) that the update was not properly installed. Deactivated the plugins inside PHP MyAdmin and then reinstalled Wordpress manually onto site.

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Wordpress plugin is not working after migration to a new server

I have moved my wordpress site to a new server, and login.php is working right.
But in there many plugins is not working well, for example the login page is not linked to any other page after I submitted my username and password.
Here is the login page link:
https://cpalocate.ca/login/
I have entered the invalid username and password, it will also show the blank page, but not error page.
When I add this code in wp-config.php
define('WP_DEBUG', true);
it showed this text. " Notice: Constant WYZ_THEME_DIR already defined in /home/.....".
And I have fixed that, but the same problem.
Now there is no any error debug, but the login page is also not working.
I changed the php version of my site in cpanel, but the same.
Anyone has your idea to solve this issue?
It is possible (I'd even say likely) that on your old server it was using PHP 5.6 (or at least a different version of PHP than your new server) and now you're on 7.0, 7.2 or even 7.3. It would seem that if that's the case, some of your plugins are incompatible.
You should edit your wp-config.php and add
define('WP_DEBUG', true);
so that you can see the errors on your screen, at least until you figure out which plugins are causing the problems.
If it is a matter of PHP version, check with your host to see if they can roll you back, or you'll have to either contact the plugin author and have them update the plugins, or you need to fix the code yourself, based on whatever the error messages you see are.
Edit: if this doesn't solve your problem, first try a default WordPress theme like twenty-nineteen or whatever. If that doesn't solve it, then disable each plugin one at a time until you find the culprit.
I have turned off all my plugins and turn back it one by one.
I have found one of my plugins is caused this problem, it is PM Pro Settings.
So I deactivated it and there is no any problem now.
I am using other plugins on behalf of that one.

Wordpress post text area missing issue

I have an issue that is in wordpress when i click on add new post button the post form appears it is showing everything on that form except the main content text area it's simply not there. I just updated my wordpress and this happens.
Now I have also downgraded my wordpress to previous version but still same issue.
Can anyone help me please.
Make sure all your plugins and theme are up to date, compatible with 4.8.1
Flushing any caching plugins you might be running, as well as server and/or browser caches. Not just your browser, but any op cache or content network cache as well such as CloudFlare.
If that does not resolve the issue, try deactivating ALL plugins temporarily to see if this resolves the problem (plugin functions can interfere). If this works, re-activate them individually (one-by-one) to find the problematic plugin(s).
Or
Edit manually wp-config.php file.
Find the line
define('DISALLOW_FILE_EDIT', true);
(it is probably true by default installation)
and change in
define('DISALLOW_FILE_EDIT', false);
That might solve your issue. Hope this will helpful for you.

WordPress doesn't activate or deactivate plugins

for some reason my WordPress website isn't able to activate or deactivate plugins.
On clicking the activate/deactivate option it will output the plugin activated/deactivated text but it never actually changes anything. There is no error message or so being displayed.
The WordPress installation is fully updated and I have no idea what is causing this.
Please I will advise you to go to your phpmyadmin and if you don't know which table is faulty. tick all tables and repair them.
after doing this if you try reactivating and it did not work. Log on to your WordPress with another browser, and redo the reactivation process. works like magic

After moving the wordpress site to different server admin section is blank

I recently moved one wordpress site to a different server.
After moving to different server the frontend works well but the admin section is blank.
If I rename the plugins directory the admin section also works.
How to fix this?
You have a plugin that is triggered on admin page, that has an error. Try renaming the plugin's folder one by one and find out which plugin is causing the error.
You also might want to check your apache error log. I'm sure you'll find an answer there.
Fun Fact - That blank page is actually called a White screen of death in WordPress terminology.
Read more here - http://codex.wordpress.org/Common_WordPress_Errors#The_White_Screen_of_Death
After you find which plugin is causing problem, Check your plugin main php file (ex. - myplugin.php) and check whether php tag opening and closing is proper or not(<?php ,?>).
Some times because of that it can cause problem because may be your code outputting something before header sent ("Header already sent error") and you will get "White screen of death" so try by simply removing closing tag (?>) from end of file or check properly for tag. I hope it will work for you.

Wordpress dreaded white screen while creating or updating a post

I created a wordpress theme and after uploading and activating the scheme to the server everything looks all right... but when I try to use the admin section of wordpress then I am having a problem with a 'white screen' or when creating new posts and when trying to log out... when i try to update a post or create a new page it just stays on post.php and the page is left blank.. Please suggest what should i do?
I have the same theme running on my local xampp server but it working ok.
You should enbale Debug in your wp-config file , there must be an error in the code which is causing this issue.
define('WP_DEBUG', true);
I had a similar problem where anytime I added or updated a post I got the white screen. The problem for me was also in the functions.php file. Not sure what it was specifically, but I went back and got an older version of the file. Problem solved.

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