TerraMaster Forum

I am facing the following issue when copying some folders from one location to another
%NAN% error

Pls help

Please advise your TNAS model number and current TOS version in return.
Could you please show us the name of the source folder and destination folder, we will verify it here.
Or please contact support(at)terra-master.com to let us remotely check it.

Solved it.
removed the ' in the filename/ folder name