BIP8407
Severity
20 : ErrorMessage
MAX_MESSAGE_SIZE was <= 0, it must be > 0.Explanation
A configuration request was received which specified an invalid value. The MAX_MESSAGE_SIZE value is used for the Real Time transport to declare the maximum size for messages to be delivered to client applicationsResponse
Modify the configuration request to specify a valid value for the attribute, and retry the request. This can be set by using : mqsichangeproperties BrokerName -e ExecutionGroupLabel -o DynamicSubscriptionEngine -n maxMessageSize -v value A broker restart is required to activate the change.