Bug while unpacking release bundle

[ziopio]

Strange problem appeared while running rebar3 grisp pack

* GRiSP deploy bundle archived in _grisp/deploy/grisp2.test_grisp_io_plug.0.1.0.tar.gz
===> Deployment done
* Preparing and validating...
* Creating disk image...
* Creating disk partition table...
* Formatting system partitions...
* Deploying release bundle...
===> sh(tar -C /Volumes/SYS 1 -xzf /***/***/***/***/test_grisp_io_plug/_grisp/deploy/grisp2.test_grisp_io_plug.0.1.0.tar.gz)
failed with return code 1 and the following output:
tar: Must specify one of -c, -r, -t, -u, -x

I saw that I had many SYS devices hanging in Disk Utility, I expelled them and the bug was gone...