-When attempting to open a Pro Tools 4.2 session in 5.1.1, I tried installing...

-When attempting to open a Pro Tools 4.2 session in 5.1.1, I tried installing the old plug-in files in and authorizing them.-The session opened with the plugs in place, but inactive. If I try to make them active I get DAE error -7219.

-The plug-in files from PT 4.x versions are not compatible with Pro Tools 5.1 and later.-The 5.1/5.1.1 DAE's library will simply not allow these old Plug-Ins' cache to be built.

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