The topic name provided is not malformed but is not accepted by the server or client. Used in CONNACK, PUBACK, PUBREC, and DISCONNECT packets when a topic name violates server policy.
Numeric value: 144
TopicNameInvalid
mqtt The topic name provided is not malformed but is not accepted by the server or client. Used in CONNACK, PUBACK, PUBREC, and DISCONNECT packets when a topic name violates server policy.
Numeric value: 144