Cannot Perform recovery on 8.0.0. No site ID found

OS: Debian 13. Php8.4.

We’re trying to move openEMR 8.0.0(3) to another computer. An error came up with No site ID found.

sudo ./restore
./restore: line 17: shopt: -e: invalid option
shopt: usage: shopt [-pqsu] [-o] [optname …]
WARNING: This script is experimental.
It may have serious bugs or omissions.
Use it at your own risk!
Now you will be asked for the backup file.
By default this is named emr_backup.tar, although you may have saved it as something else.

Enter path/name of backup file: /home/emr_backup.tar

Extracting /home/emr_backup.tar …
tar: Substituting `.’ for empty member name
Extracting /tmp/emr_backup/openemr.tar.gz …
Error: No site ID found!

Am I doing something wrong?