- Plesk 12.5 for Linux
- Plesk 12.5 for Windows
Note: This article has the reference to the issue with the fix available:
- #PPPM-4249 "In WordPress Toolkit, activating or updating multiple plugins or themes at once resulted in an error."
- Plesk 12.5.30 Update 44 15 August 2016
Unable to update a WordPress plugin for a certain WordPress instance:
Installation "<installation_name>": The specified plugin ID '<plugin_id>' is invalid. Please enter a correct one.
The plugin mentioned in the error message is not installed on all WordPress instances.
This is Plesk internal issue with ID PPPM-4249 which is planned to be fixed in future Plesk updates.
Errors can be ignored, as they do not affect the plugin itself: plugin in question is manageable for a particular instance where it is installed and is fully functional.