if a catalog is missing (or the loading otherwise throws an error), show the error message in a msg box instead of a mask. this way a user can still navigate the tree Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
if a catalog is missing (or the loading otherwise throws an error), show the error message in a msg box instead of a mask. this way a user can still navigate the tree Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>