Offered Incompatible QoS Status

Attribute	Attribute Meaning
total_count	Total cumulative number of times the concerned DataWriter discovered a DataReader for the same Topic with a requested QoS that is incompatible with that offered by the DataWriter.
total_count_change	The change in total_count since the last time the listener was called or the status was read.
last_policy_id	The PolicyId_t of one of the policies that was found to be incompatible the last time an incompatibility was detected.
policies	A list containing for each policy the total number of times that the concerned DataWriter discovered a DataReader for the same Topic with a requested QoS that is incompatible with that offered by the DataWriter.

A QoS policy value incompatible with the available DataReader