When you drag-drop a material collection be carefull where to release the mouse button.

When you release on the wrong object, you get this messsage.

If you select and then load, bu sure to have the right object selected before loding the material collection for that object. Or you get the same message.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
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