Dann könnte das helfen:
»Super Quick Fix:

Right click on the "grayed out folder" and make an Alias of the folder that is "greyed out"
Click on the alias and you get right in.
Next move the files and folders out of the "Grayed out" folder into a "new folder". Command + drag the contents to the "new folder" (It may ask you for your password to make the move.
Trash the now empty "grayed out" folder and rename the "new folder" to the name the "grayed out" folder used to have... Fixed ?

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Yogesh Bhatt
This worked for me, but only when choosing "Show Original" in the context menu of the alias. «

https://www.reddit.com/r/MacOS/comments/1kd1cr4/partial_copied_foldersfiles_remain_greyed_out_and/?tl=de

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