- Plesk Onyx for Windows
When creating or opening a subscription, the following error appears in Plesk:
PLESK_ERROR: Error: Plan item '1' doesn't exist
There are Plesk extensions installed on the server.
- Navigate to Tools & Settings > Updates and Upgrades > Add/Remove Components ;
Remove all installed
- Click Continue to complete the removal;
- After the removal completes, navigate back to Tools & Settings > Updates and Upgrades > Add/Remove Components ;
Select all previously installed extensions:
- Click Continue to reinstall extensions.