Unable to connect to libvirt qemu:///system.

authentication failed: access denied by policy

Libvirt URI is: qemu:///system

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/connection.py", line 922, in _do_open
    self._backend.open(cb, data)
  File "/usr/share/virt-manager/virtinst/connection.py", line 153, in open
    conn = libvirt.openAuth(self._open_uri,
  File "/usr/lib/python3.10/site-packages/libvirt.py", line 148, in openAuth
    raise libvirtError('virConnectOpenAuth() failed')
libvirt.libvirtError: authentication failed: access denied by policy