Wildcard Subscriptions Not Supported

The server does not support wildcard subscriptions. Sent in a SUBACK or DISCONNECT packet when a client attempts to subscribe using a topic filter containing wildcard characters on a server that does not support them.

References

docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html

In this namespace

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TopicFilterInvalid TopicNameInvalid UnspecifiedError UnsupportedProtocolVersion UseAnotherServer WildcardSubscriptionsNotSupported