How to setup MGR Zabbix plugin module?

Issue

• Randomly, the zabbix plugins are not working well. The error is below shown:

# ceph zabbix send
Error EINVAL: Traceback (most recent call last):
  File "/usr/lib64/ceph/mgr/zabbix/module.py", line 234, in handle_command
    self.send()
  File "/usr/lib64/ceph/mgr/zabbix/module.py", line 206, in send
    data = self.get_data()
  File "/usr/lib64/ceph/mgr/zabbix/module.py", line 174, in get_data
    osd_fill.append((float(osd['kb_used']) / float(osd['kb'])) * 100)
ZeroDivisionError: float division by zero  << here

• Zabbix server is working fine, but it shows Failed to send data to Zabbix when trying to connect:

# ceph zabbix send
Failed to send data to Zabbix