If the Logic Pro Plug-In Manager says that a plug-in couldn’t be opened, please click on the plug-in in the Plug-in Manager window and click the "Reset & Rescan Selection" button, as shown in the image below:
If the Logic Pro Plug-In Manager says that a plug-in couldn’t be opened, please click on the plug-in in the Plug-in Manager window and click the "Reset & Rescan Selection" button, as shown in the image below: