gluster-block-target.service not starting due to dependency issues

Issue

• The gluster-block-target.service is in failed state and 'start' operations exits with error code.

       #systemctl status gluster-block-target.service

gluster-block-target.service - Restore LIO kernel target configuration
   Loaded: loaded (/usr/lib/systemd/system/gluster-block-target.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2020-08-27 15:46:13 MST; 20h ago
  Process: 128360 ExecStart=/usr/bin/targetctl restore (code=exited, status=1/FAILURE)
 Main PID: 128360 (code=exited, status=1/FAILURE)
: return _default_decoder.decode(s)
: File "/usr/lib64/python2.7/json/decoder.py", line 366, in decode
: obj, end = self.raw_decode(s, idx=_w(s, 0).end())
: File "/usr/lib64/python2.7/json/decoder.py", line 384, in raw_decode
: raise ValueError("No JSON object could be decoded")
: ValueError: No JSON object could be decoded
: gluster-block-target.service: main process exited, code=exited, status=1/FAILURE
: Failed to start Restore LIO kernel target configuration.
: Unit gluster-block-target.service entered failed state.
: gluster-block-target.service failed.