[ovirt-users] 4.3.5 update error

Hi, Trying today engine-setup to update from 4.3.3 -> 4.3.5 I got this error: [ ERROR ] Failed to execute stage 'Setup validation': local variable 'snapshot_cl' referenced before assignment In log file I see: 2019-07-31 10:43:00,375+0300 DEBUG otopi.context context._executeMethod:145 method exception Traceback (most recent call last):   File "/usr/lib/python2.7/site-packages/otopi/context.py", line 132, in _executeMethod     method['method']()   File "/usr/share/ovirt-engine/setup/bin/../plugins/ovirt-engine-setup/ovirt-engine/db/schema.py", line 437, in _validation     self._checkSnapshotCompatibilityVersion()   File "/usr/share/ovirt-engine/setup/bin/../plugins/ovirt-engine-setup/ovirt-engine/db/schema.py", line 212, in _checkSnapshotCompatibilityVersion     'v': snapshot_cl, UnboundLocalError: local variable 'snapshot_cl' referenced before assignment 2019-07-31 10:43:00,381+0300 ERROR otopi.context context._executeMethod:154 Failed to execute stage 'Setup validation': local variable 'snapshot_cl' referenced before assignment Any hints? thanks Giannis