I removed keywordCloud plugin by mistake

I’m using OJS I removed keywordCloud plugin by mistake. to installing again, i downloaded ojs 2.4.8 and packaged keywordCloud in .gzip format and uploaded via “Install a new plugin” but i viewed this message:
The uploaded plugin archive does not contain a folder that corresponds to the plugin name.

I tried another way:
i directly copied keywordCloud folder to plugin/blocks , i can view plugin in journal Block Plugins menu in system plugins, but there is only one sentence:
This plugin provides a tag cloud of article keywords
and there is not this paragraph as before:
Upgrade Plugin Delete Plugin
It’s appear in side bar (journal set up / the look) but it does’t appear in website.
How can i fix this problem?
Thanks in advance for any help you are able to provide.

Hi @OJS-novice,

Have you tried running this command line after you copied the keywordCloud folder?
$ php tools/upgrade.php upgrade

This to make sure the plugin is installed properly in the db.

Hope this helps.

If you have the CLI version of PHP installed (e.g., /usr/bin/php), you can
upgrade the database as follows:

- Edit config.inc.php and change "installed = On" to "installed = Off"
- Run the following command from the OJS directory (not including the $):
  $ php tools/upgrade.php upgrade
- Re-edit config.inc.php and change "installed = Off" back to
   "installed = On"
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