`ncdu .`を実行すると、「エラー:/var/lib/snapd/voidを開くことができません」が発生します。なぜ?

`ncdu .`を実行すると、「エラー:/var/lib/snapd/voidを開くことができません」が発生します。なぜ?

ランニング:

sudo snap remove ncdu
sudo snap install ncdu
sudo chmod -R 777 *
sudo ncdu .

エラーが発生しました

  lqqqError!qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk
  x                                                                   x
  x Error: could not open /var/lib/snapd/void                         x
  x   Error reading directory: Permission denied                      x
  x                                                                   x
  x                                      press any key to continue... x
  mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj

何が問題なのでしょうか?


sudo ls -la /var/lib/snapd/void返品:

total 8
d--x--x--x  2 root root 4096 Mar 26  2021 .
drwxr-xr-x 24 root root 4096 Apr 21 07:35 ..

私はUbuntu 20.04.3 LTS(Focal Fossa)を使用しています。現在のフォルダ.はです/hdd/workspace_dernonco0/audio/

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