7 Reasons Why Your WordPress Plugins or Themes Won’t Install


For probably the most half, I feel WordPress is a fairly stable platform. Of course, we complicate issues once we drag third-party parts into it for the sake of bettering efficiency or safety, including new design options, or opening up higher performance. But the payoff is mostly value it. Without these integrations, you’d need to do way more guide coding and that simply doesn’t isn’t the simplest strategy to construct an internet site nowadays.

That stated, there are occasions when points come up once you attempt utilizing WordPress plugins and themes in your web site. As I’ve talked about earlier than, there are WordPress plugin conflicts that happen upon preliminary set up or throughout updates. But there are different methods wherein they will trigger points for you earlier than you even get them on the positioning.

Below, I’m going to interrupt down the 7 the explanation why a WordPress plugin or theme received’t set up on an internet site and a few methods to get round these errors.

7 Reasons Why Your WordPress Plugin or Theme Won’t Install

The good factor about these sorts of WordPress errors is that they’re simple to determine. Usually, there’s an error message that accompanies every failure to load, so there isn’t as a lot troubleshooting with one thing like this as there are with other WordPress errors. It’s simply extra annoying than the rest.

So, listed below are the most typical the explanation why your WordPress plugin or theme received’t set up and what to do about them:

1. Uploading the Wrong File Format

Typically, you’ll encounter an set up error throughout the guide add of a theme or plugin by the Add New / Upload possibility in WordPress (versus instantly putting in from the WordPress repository):

Plugin or Theme Won't Install - Upload New Plugin
Install your new WordPress plugins right here.

When you see the next “bad format” message, it signifies that you haven’t uploaded the native information supplied to you by the theme or plugin developer.

Plugin or Theme Won't Install - Bad Format Error
This is what the “bad format” error appears like.

The solely plugin or theme information that ought to ever be uploaded to WordPress are zip information.

Before you get in contact with the plugin or theme developer, confirm that you simply didn’t obtain the right file from them. If this got here out of your shopper, they might have unzipped the folder and given you what they thought was the right file from inside. If it didn’t come from the shopper and you actually don’t have the correct folders, get in contact with the developer.

2. Missing Files

Now, let’s say you probably did try to add a zipper file into WordPress, however you noticed this error message as a substitute:

Plugin or Theme Won't Install - Zip Missing Files
This is what the “missing files” error appears like.

This signifies that the information contained throughout the folder usually are not what WordPress was anticipating.

Unzip the folder and assessment the contents. Is this even the right zip? Does it comprise all of the information you’ll anticipate a plugin or theme to have? You can cross-check the contents of the folder towards WordPress’s suggestions for information that needs to be included within the package deal:

If you’ve detected any lacking information, attain out to the developer for help.

3. Syntax Error

When you buy a WordPress plugin or theme from a reputable developer, you shouldn’t have to fret about this sort of error occurring.

However, let’s say your shopper was attempting to chop corners and get monetary savings, and they also discovered some plugin or theme on-line that regarded promising. You attempt to set up it in WordPress and also you obtain a syntax error. It’ll often say one thing about “parse error” and “syntax error”.

All this implies is that there’s one thing flawed within the code. This error can truly come up in the event you erroneously attempt to edit a theme or plugin as soon as it’s put in in your web site. However, in the event you’re seeing it throughout set up, then the error lies with the developer.

If you wish to assessment the code of the plugin or theme by yourself, you may be capable of detect and restore the error your self. Before you dig in, examine into another reported points with the plugin or theme if there’s a help system hooked up to it (by WordPress or a market).

If there aren’t any, your most secure wager is perhaps to have your shopper get a brand new plugin or theme. If you don’t belief the developer to code the backend properly, this challenge might preserve arising with every new replace (and also you don’t wish to take care of that).

4. Uploading the Wrong Zip File

This error is one you’re in all probability going to come across with bigger, multipurpose themes. You acquired a zipper file out of your shopper and, by all intents and functions, it appears to be in fine condition. However, let’s say you go so as to add the brand new theme:

Plugin or Theme Won't Install - Add New Theme
Install your new WordPress theme right here.

Then you see this error:

Plugin or Theme Won't Install - Stylesheet Error
This is what the stylesheet error appears like.

In actuality, the stylesheet is just not lacking. You in all probability simply downloaded the flawed model of the theme file.

Some builders provide up totally different zip packages for his or her themes, particularly in the event that they’re together with plugins and little one themes inside them. Here’s an instance of how Uncode consists of varied obtain choices on Themeforest:

Plugin or Theme Won't Install - Theme Download Options
Various file downloads can be found once you buy a premium theme.

While it’s important to have that full file with all of the documentation, licenses, plugins, and alternate themes, that file can’t be uploaded into WordPress as a result of it appears like this:

As you’ll be able to see, the contents of this zip file wasn’t going to get me very far in WordPress.

WordPress can unzip the top-level zip file, but it surely received’t be capable of undergo and unzip all the pieces else contained throughout the folder. If you wish to get your theme in there, then it’s essential add the correct zip file.

5. Exceeding the Memory Limit

I touched on this error lately once I talked concerning the server issues that affect WordPress. Basically, this occurs when your hosting PHP reminiscence restrict is just too low to course of the set up.

The error will say one thing like, “Fatal error: Allowed memory size of _______ bytes exhausted…” If you see this reminiscence error, it’s simple to repair.

Log into the management panel of your web site and open your most popular file editor: FTP or file supervisor. In the foundation listing, you’ll discover your wp-config.php file. Click on the edit button and add the next line of code:

outline( 'WP_MEMORY_LIMIT', '256M' );

Since the default reminiscence restrict is often 64M, it will considerably enhance it and make it easier to get your new theme or plugin put in with out challenge.

6. Exceeding the File Size Limit

Memory isn’t the one factor that may be pushed to its restrict when importing a brand new WordPress plugin or theme. You might also discover that the allowable file dimension is exceeded. When this happens, you’ll see a message much like this:

“The uploaded file exceeds the upload_max_filesize directive in php.ini”

To repair this most add restrict, you’ll want to take action by the management panel. Access your listing utilizing both FTP or a file supervisor. Once you’re in there, find the wp-admin folder.

Do you see a php.ini file? If not, you’re going to need to create one.

Once you will have the php.ini file open, search for a piece that mentions “filesize”. If it exists, you’ll wish to overwrite it with the next code. If it doesn’t, then enter the next strains of code into the file:

upload_max_filesize = 1000M
post_max_size = 2000M
memory_limit = 3000M
file_uploads = On
max_execution_time = 180

This gives you some extra leeway in how massive your WordPress theme and plugin information could be. If you’re nonetheless experiencing issues with this error, learn by Jenni McKinnon’s information on find out how to increase the maximum upload limit.

7. Miscellaneous Errors

I’m together with this ultimate hodgepodge error sort since you by no means know what varieties of exterior conflicts may get in the best way of you having the ability to set up a plugin or theme. In my case, it was an outdated battle between an SSL certificates and CDN I had on my web site.

In a nutshell, right here’s what occurred:

  1. I purchased a brand new WordPress theme.
  2. I put in the WordPress theme and activated it.
  3. When I uploaded the theme, I acquired a bunch of error messages about how among the plugins wouldn’t set up. I initially disregarded the message as a result of I didn’t assume I used to be going to make use of a lot of the plugins anyway.
  4. As it seems, earlier than I might customise or use my theme, I needed to activate a required plugin from the developer… which might not set up. The message beneath is what I noticed.
Plugin or Theme Won't Install - SSL Certificate Error
This was the SSL certificates error I noticed.

I’ve had an SSL certificate on my web site for over a yr and had skilled points with it prior to now. Specifically, it conflicted with the CDN. To resolve the battle, I requested my internet host to eliminate the CDN. As far as I knew, the difficulty was mounted. (Funny sufficient, the CDN ended up being the issue right here.)

Anyway, after working along with my hosting firm and the theme developer, we had been capable of kind out that the error might be bypassed by importing the plugin information instantly into WordPress. I had assumed that an incapability to put in by the theme add would imply an incapability to put in by the conventional course of. However, the workaround took and I used to be capable of get the plugin put in on my web site.

I assume that is my roundabout approach of claiming that in the event you encounter an error throughout the set up of a WordPress plugin or theme, it doesn’t resemble numbers 1 by 6 above, and also you’ve tried manually importing, go to the perceived supply of the issue. They ought to be capable of offer you insights into the issue and spare you the agony of attempting to determine it out by yourself.

Wrapping Up

So, is there a strategy to keep away from these sooner or later? Well, utilizing respected themes and plugins from WordPress builders is an efficient place to start out. Familiarizing your self with what theme and plugin information ought to comprise is one other good factor to have below your belt.

All in all, I feel that is in all probability one of many simpler sorts of errors you may find yourself having to take care of in WordPress. That stated, errors are a nuisance you typically can’t afford to take care of after they pop up mid-workflow, so be sure you’re well-versed in what the most typical errors are and find out how to go about fixing them.


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