cant install wordpress pulgins and theme - wordpress

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check the image this error come every plugin and theme I tried to install

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Wordpress using Jupiter Theme - Page Warning

I am using WordPress with Jupiter Theme. I have just updated the Jupiter theme with the latest version. The website is working fine but there is a one-page show Warning in the location of the header. The warning is:
"Warning: include_once(): Failed opening
'/srv/users/serverpilot/apps/inj/public/wp-content/themes/jupiter/framework/admin/control-panel/logic/icon-selector.php'
for inclusion (include_path='.:/opt/sp/php7.1/lib/php') in
/srv/users/serverpilot/apps/inj/public/wp-content/themes/jupiter/functions.php
on line 263"
When I check the location of the missing file icon-selector.php, there is no icon-selector.php located there. I have one icon-selector.php file from my old version, so I copy and paste the file to …admin/control-panel/logic this location, however, the warning is still there.
Any thought to remove the warning?
It might be related to Jupiter's new control panel. However, make sure you have installed the theme and its plugin properly also it's better to contact the Jupiter author.

Elementor Not Loading On WordPress Subdirectory Installation With Composer

WordPress in its own directory using Composer
Troubleshooting Elementor Infinite Loading Screen
Inspired by roots/bedrock, I started a project to install WordPress to its own subdirectory using Composer. Plugins and Themes are installed from WPackagist, separately from the core WordPress files, also using Composer.
I ran into an issue with Elementor, which was stupid simple to fix. However, when I was in the process of fixing it, my Stack Overflow query, 'wordpress composer “elementor” -visual', returned nothing interesting. So I set out to write a quick troubleshooting guide for my own oversight. I have been obsessed with using Composer for WordPress dependencies lately, so I'm excited to write about it.
Anyway, after setting up the WordPress core and plugins using Composer, and setting up my database credentials in wp-config, I can login to the dashboard just fine.
Here's the Issue
In the dashboard, I see an issue immediately; the Elementor icon is missing, showing a generic gear instead. Here is the first clue that Elementor cannot find its own assets.
Furthermore, when I try to create a new page in Elementor, I see only an infinite, white Loading screen. Additionally, the "Edit with Elementor" button is missing when creating new posts and pages.
Initial Debugging Methods
Turn on PHP debugging in wp-config.php -> Revealed nothing enlightening.
Remove all other plugins besides Elementor -> No changes.
Turn on Safe Mode in Elementor > Tools -> Revealed nothing enlightening.
What next?
I will tell you how I fixed this issue.
Developer Console Insights
To finally resolve this issue, I opened the developer console (CTRL+SHIFT+I) and inspected some of the 404 links in the Network tab. An issue was immediately apparent: the filepath was incorrect. My project's folder is called "subdir-wp-elementor", not "subdir-wordpress".
Here is what Elementor was trying (and failing) to load:
http://localhost/subdir-wordpress/app/plugins/elementor/assets/js/editor-modules.min.js?ver=2.9.12
Resolution: Update CONTENT_URL in wp-config
I realized that I had forgotten to update the CONTENT_URL definition in wp-config.php
My SITE_URL was http://localhost/subdir-wp-elementor/, but here was my CONTENT_URL:
// ========================
// Custom Content Directory
// ========================
define( 'WP_CONTENT_DIR', dirname( __FILE__ ) . '/app' );
define( 'WP_CONTENT_URL', 'http://' . $_SERVER['HTTP_HOST'] . '/subdir-wordpress/app' );
Setting the correct CONTENT_URL to the below allowed Elementor to properly load.
define( 'WP_CONTENT_URL', 'http://' . $_SERVER['HTTP_HOST'] . '/subdir-wp-elementor/app' );

How to change Drupal 7 theme while getting HTTP Error 500

This is with Drupal 7x. I loaded my theme on Drupal.  It has produced a HTTP ERROR 500.  That is all that appears on my browser window, that is.  Now I can not even get to the login pate to log on to the dashboard to fix this or even uninstall the theme.  Please help.  For now I would not mind too much if I could just set things back to the way they were before I made the Porto theme my default theme.
You can use drush to set the theme back to one that works with:
drush vset theme_default name_of_working_theme
to set the backend theme:
drush vset admin_theme name_of_working_theme

how to install my theme using wp quick install script?

i am using WP Quick Install Script to install WordPress and it works fine. but it's not installing my custom theme. i also placed theme as theme.zip in WP-quick-install folder but it shows a white blank screen on front-end.
what is wrong there?
Any reason why you are using WP Quick Install in the first place?
I would simply suggest setting up the site as normal and adding your theme into the /themes/ directory.
If this is daunting, just shout, but first read the Wordpress Codex - Installing Wordpress

Unable to upload new theme to wordpress from dashboard

I installed wp to a server for the first time. The basic theme works and I can change the settings but I bought a new wordpress theme and was trying to upload it from the dashboard:
But it gives me an error each time:
These were suggestions I found online but didn't work:
So I tried to change the permissions of all of the folders to 755. And then I changed the permissions of the file update.php to 755 also but I still get the same error. I also tried editing the .htaccess of the folder 'AALimo' (folder which contains the wp dir) but that didn't work either. I'm not sure if I edited the .htaccess properly.
I just manually uploaded the theme into the theme directory using ftp instead of the theme uploader from dashboard and that worked.
I did it using C-Panel. I had to upload zip file in WordPress theme folder in public html. extract the zip file and you can install it easily .

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