Steinberg effects - multiple error messages

Problem is in user rights.

To fix this, you need to go to Aplication folder and select (click ones) WaveLab 7(.app).
Do right click and select “Show Package Contents”, Fider open new window.
Now open path Contents/System/plugins/
In Plugins folder do right click on “Wavelab Plug-in Set.vst3” and select “Show Package Contents”.
Select Contents and press cmd+i, or do right click and select show information.
In information window, you will see a lock in the bottom right, to open it, type the admin password.
Look in to “Sharing & Permissions” section at the bottom of the window, set “everyone” to “read and write”.
Click the Action pop-up menu (Gear icon), then choose “Apply to enclosed items.”
Close all Finder and information windows and thats it.