878: Attempting recovery after loss of state data.
Explanation
During startup, the node canister
cannot read its state data. It reports this error while waiting to
be added back into a clustered system. If the node canister is not
added back into a clustered system within a set time, node error 578
is reported.
User Response
Allow time for recovery. No further action is required.
Keep monitoring in case the error changes to error code 578.