abort_transition_graph: Transition aborted by status-2-ping in Cluster (no replies)

Jul 29 09:32:14 [5000] orlpddbh2 crmd: info: abort_transition_graph: Transition aborted by status-2-ping, ping=0: Transient attribute change (modify cib=0.45
.17, source=abort_unless_down:319, path=/cib/status/node_state[@id='2']/transient_attributes[@id='2']/instance_attributes[@id='status-2']/nvpair[@id='status-2-ping'], 1
)
Jul 29 09:32:14 [5000] orlpddbh2 crmd: notice: do_state_transition: State transition S_IDLE -> S_POLICY_ENGINE [ input=I_PE_CALC cause=C_FSA_INTERNAL origin
=abort_transition_graph ]

Hi,

We have configured HA using MySQL with DRBD/Pacemaker/Corosync and in cluster log file find abort_transition_graph: Transition aborted by status-2-ping.Can you please help me on this why will get error