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1) Log in as administrator and go to Administration → Add-ons → Manage add-ons
2) Search for `Kepler `Power Custom Fields PRO` plugin in `User-installed add-ons` section and click on `Uninstall` button
...
...
1) Log in as administrator and go to Administration → Add-ons → Manage add-ons
2) Search for `Kepler `Power Custom Fields PRO` plugin in `User-installed add-ons` section and click on `Uninstall` button
...