Description of problem:
Reworked the partition layout using existing luks with LVM
The following was filed automatically by anaconda:
anaconda 18.37.3 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 1042, in _save_right_side
    if self._device_container_name != old_container.name:
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2171, in on_page_clicked
    self._save_right_side(self._current_selector)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/lib/accordion.py", line 119, in _onExpanded
    cb(obj.get_child())
AttributeError: 'NoneType' object has no attribute 'name'

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   initrd=initrd.img inst.stage2=hd:LABEL=Fedora\x2018-TC3\x20x86_64 quiet BOOT_IMAGE=vmlinuz 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.6.10-4.fc18.x86_64
other involved packages: 
package:        anaconda-18.37.3
product:        Fedora
release:        Cannot get release name.
type:           libreport
version:        18-TC3